From 8e2d696c95d8d1a44047b1472e69ead81b98d5c3 Mon Sep 17 00:00:00 2001
From: Jennifer Hodgdon <yahgrp@poplarware.com>
Date: Mon, 1 Oct 2012 13:01:17 -0700
Subject: [PATCH] Issue #1797452 by Lars Toomre: Remove t() from system tests
 starting with M

---
 .../lib/Drupal/system/Tests/Mail/MailTest.php |   2 +-
 .../Drupal/system/Tests/Menu/LinksTest.php    |   2 +-
 .../Drupal/system/Tests/Menu/MenuTestBase.php |   6 +-
 .../Drupal/system/Tests/Menu/RebuildTest.php  |   6 +-
 .../Drupal/system/Tests/Menu/RouterTest.php   | 128 +++++++++---------
 .../Drupal/system/Tests/Menu/TrailTest.php    |   8 +-
 .../system/Tests/Menu/TreeDataUnitTest.php    |  10 +-
 .../system/Tests/Menu/TreeOutputTest.php      |  14 +-
 .../system/Tests/Module/ClassLoaderTest.php   |   4 +-
 .../system/Tests/Module/DependencyTest.php    |  22 +--
 .../system/Tests/Module/EnableDisableTest.php |  10 +-
 .../Tests/Module/HookRequirementsTest.php     |   2 +-
 .../system/Tests/Module/InstallTest.php       |   4 +-
 .../system/Tests/Module/ModuleApiTest.php     |  76 +++++------
 .../system/Tests/Module/ModuleTestBase.php    |  12 +-
 .../system/Tests/Module/RequiredTest.php      |   2 +-
 .../system/Tests/Module/UninstallTest.php     |   2 +-
 17 files changed, 155 insertions(+), 155 deletions(-)

diff --git a/core/modules/system/lib/Drupal/system/Tests/Mail/MailTest.php b/core/modules/system/lib/Drupal/system/Tests/Mail/MailTest.php
index 4eaa4c89d63e..7d493d341097 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Mail/MailTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Mail/MailTest.php
@@ -55,7 +55,7 @@ public function testPluggableFramework() {
     $message = drupal_mail('simpletest', 'mail_test', 'testing@example.com', $language_interface->langcode);
 
     // Assert whether the message was sent through the send function.
-    $this->assertEqual(self::$sent_message['to'], 'testing@example.com', t('Pluggable mail system is extendable.'));
+    $this->assertEqual(self::$sent_message['to'], 'testing@example.com', 'Pluggable mail system is extendable.');
   }
 
   /**
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/LinksTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/LinksTest.php
index fd508db5cefc..7d222465fbbd 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/LinksTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/LinksTest.php
@@ -82,7 +82,7 @@ function assertMenuLinkParents($links, $expected_hierarchy) {
 
       $menu_link = menu_link_load($mlid);
       menu_link_save($menu_link);
-      $this->assertEqual($menu_link['plid'], $plid, t('Menu link %mlid has parent of %plid, expected %expected_plid.', array('%mlid' => $mlid, '%plid' => $menu_link['plid'], '%expected_plid' => $plid)));
+      $this->assertEqual($menu_link['plid'], $plid, format_string('Menu link %mlid has parent of %plid, expected %expected_plid.', array('%mlid' => $mlid, '%plid' => $menu_link['plid'], '%expected_plid' => $plid)));
     }
   }
 
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/MenuTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Menu/MenuTestBase.php
index 978ffe0a112d..eb7fbafffb74 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/MenuTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/MenuTestBase.php
@@ -45,7 +45,7 @@ protected function assertBreadcrumb($goto, array $trail, $page_title = NULL, arr
     // No parts must be left, or an expected "Home" will always pass.
     $pass = ($pass && empty($parts));
 
-    $this->assertTrue($pass, t('Breadcrumb %parts found on @path.', array(
+    $this->assertTrue($pass, format_string('Breadcrumb %parts found on @path.', array(
       '%parts' => implode(' » ', $trail),
       '@path' => $this->getUrl(),
     )));
@@ -75,7 +75,7 @@ protected function assertBreadcrumb($goto, array $trail, $page_title = NULL, arr
           $i++;
         }
         $elements = $this->xpath($xpath);
-        $this->assertTrue(!empty($elements), t('Active trail to current page was found in menu tree.'));
+        $this->assertTrue(!empty($elements), 'Active trail to current page was found in menu tree.');
 
         // Append prefix for active link asserted below.
         $xpath .= '/following-sibling::ul/descendant::';
@@ -92,7 +92,7 @@ protected function assertBreadcrumb($goto, array $trail, $page_title = NULL, arr
         ':title' => $active_link_title,
       );
       $elements = $this->xpath($xpath, $args);
-      $this->assertTrue(!empty($elements), t('Active link %title was found in menu tree, including active trail links %tree.', array(
+      $this->assertTrue(!empty($elements), format_string('Active link %title was found in menu tree, including active trail links %tree.', array(
         '%title' => $active_link_title,
         '%tree' => implode(' » ', $tree),
       )));
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/RebuildTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/RebuildTest.php
index 9cf108084d79..4677bb51fa6e 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/RebuildTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/RebuildTest.php
@@ -27,14 +27,14 @@ public static function getInfo() {
   function testMenuRebuildByVariable() {
     // Check if 'admin' path exists.
     $admin_exists = db_query('SELECT path from {menu_router} WHERE path = :path', array(':path' => 'admin'))->fetchField();
-    $this->assertEqual($admin_exists, 'admin', t("The path 'admin/' exists prior to deleting."));
+    $this->assertEqual($admin_exists, 'admin', "The path 'admin/' exists prior to deleting.");
 
     // Delete the path item 'admin', and test that the path doesn't exist in the database.
     $delete = db_delete('menu_router')
       ->condition('path', 'admin')
       ->execute();
     $admin_exists = db_query('SELECT path from {menu_router} WHERE path = :path', array(':path' => 'admin'))->fetchField();
-    $this->assertFalse($admin_exists, t("The path 'admin/' has been deleted and doesn't exist in the database."));
+    $this->assertFalse($admin_exists, "The path 'admin/' has been deleted and doesn't exist in the database.");
 
     // Now we enable the rebuild variable and send a request to rebuild the menu
     // item. Now 'admin' should exist.
@@ -42,7 +42,7 @@ function testMenuRebuildByVariable() {
     // The request should trigger the rebuild.
     $this->drupalGet('<front>');
     $admin_exists = db_query('SELECT path from {menu_router} WHERE path = :path', array(':path' => 'admin'))->fetchField();
-    $this->assertEqual($admin_exists, 'admin', t("The menu has been rebuilt, the path 'admin' now exists again."));
+    $this->assertEqual($admin_exists, 'admin', "The menu has been rebuilt, the path 'admin' now exists again.");
   }
 
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/RouterTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/RouterTest.php
index 42e81b1a3862..90c0fc6839b9 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/RouterTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/RouterTest.php
@@ -63,8 +63,8 @@ function setUp() {
    */
   function testTitleCallbackFalse() {
     $this->drupalGet('node');
-    $this->assertText('A title with @placeholder', t('Raw text found on the page'));
-    $this->assertNoText(t('A title with @placeholder', array('@placeholder' => 'some other text')), t('Text with placeholder substitutions not found.'));
+    $this->assertText('A title with @placeholder', 'Raw text found on the page');
+    $this->assertNoText(t('A title with @placeholder', array('@placeholder' => 'some other text')), 'Text with placeholder substitutions not found.');
   }
 
   /**
@@ -95,8 +95,8 @@ function testDescriptionMenuItems() {
   function testThemeCallbackAdministrative() {
     theme_enable(array('seven'));
     $this->drupalGet('menu-test/theme-callback/use-admin-theme');
-    $this->assertText('Custom theme: seven. Actual theme: seven.', t('The administrative theme can be correctly set in a theme callback.'));
-    $this->assertRaw('seven/style.css', t("The administrative theme's CSS appears on the page."));
+    $this->assertText('Custom theme: seven. Actual theme: seven.', 'The administrative theme can be correctly set in a theme callback.');
+    $this->assertRaw('seven/style.css', "The administrative theme's CSS appears on the page.");
   }
 
   /**
@@ -105,8 +105,8 @@ function testThemeCallbackAdministrative() {
   function testThemeCallbackInheritance() {
     theme_enable(array('seven'));
     $this->drupalGet('menu-test/theme-callback/use-admin-theme/inheritance');
-    $this->assertText('Custom theme: seven. Actual theme: seven. Theme callback inheritance is being tested.', t('Theme callback inheritance correctly uses the administrative theme.'));
-    $this->assertRaw('seven/style.css', t("The administrative theme's CSS appears on the page."));
+    $this->assertText('Custom theme: seven. Actual theme: seven. Theme callback inheritance is being tested.', 'Theme callback inheritance correctly uses the administrative theme.');
+    $this->assertRaw('seven/style.css', "The administrative theme's CSS appears on the page.");
   }
 
   /**
@@ -115,7 +115,7 @@ function testThemeCallbackInheritance() {
    */
   function testFileInheritance() {
     $this->drupalGet('admin/config/development/file-inheritance');
-    $this->assertText('File inheritance test description', t('File inheritance works.'));
+    $this->assertText('File inheritance test description', 'File inheritance works.');
   }
 
   /**
@@ -139,14 +139,14 @@ function testThemeCallbackMaintenanceMode() {
     // For a regular user, the fact that the site is in maintenance mode means
     // we expect the theme callback system to be bypassed entirely.
     $this->drupalGet('menu-test/theme-callback/use-admin-theme');
-    $this->assertRaw('bartik/css/style.css', t("The maintenance theme's CSS appears on the page."));
+    $this->assertRaw('bartik/css/style.css', "The maintenance theme's CSS appears on the page.");
 
     // An administrator, however, should continue to see the requested theme.
     $admin_user = $this->drupalCreateUser(array('access site in maintenance mode'));
     $this->drupalLogin($admin_user);
     $this->drupalGet('menu-test/theme-callback/use-admin-theme');
-    $this->assertText('Custom theme: seven. Actual theme: seven.', t('The theme callback system is correctly triggered for an administrator when the site is in maintenance mode.'));
-    $this->assertRaw('seven/style.css', t("The administrative theme's CSS appears on the page."));
+    $this->assertText('Custom theme: seven. Actual theme: seven.', 'The theme callback system is correctly triggered for an administrator when the site is in maintenance mode.');
+    $this->assertRaw('seven/style.css', "The administrative theme's CSS appears on the page.");
 
     config('system.maintenance')->set('enabled', 0)->save();
   }
@@ -163,7 +163,7 @@ function testMaintenanceModeLoginPaths() {
     $this->drupalGet('node');
     $this->assertText($offline_message);
     $this->drupalGet('menu_login_callback');
-    $this->assertText('This is menu_login_callback().', t('Maintenance mode can be bypassed through hook_menu_site_status_alter().'));
+    $this->assertText('This is menu_login_callback().', 'Maintenance mode can be bypassed through hook_menu_site_status_alter().');
 
     config('system.maintenance')->set('enabled', 0)->save();
   }
@@ -178,11 +178,11 @@ function testAuthUserUserLogin() {
 
     $this->drupalGet('user/login');
     // Check that we got to 'user'.
-    $this->assertTrue($this->url == url('user', array('absolute' => TRUE)), t("Logged-in user redirected to user on accessing user/login"));
+    $this->assertTrue($this->url == url('user', array('absolute' => TRUE)), "Logged-in user redirected to user on accessing user/login");
 
     // user/register should redirect to user/UID/edit.
     $this->drupalGet('user/register');
-    $this->assertTrue($this->url == url('user/' . $this->loggedInUser->uid . '/edit', array('absolute' => TRUE)), t("Logged-in user redirected to user/UID/edit on accessing user/register"));
+    $this->assertTrue($this->url == url('user/' . $this->loggedInUser->uid . '/edit', array('absolute' => TRUE)), "Logged-in user redirected to user/UID/edit on accessing user/register");
   }
 
   /**
@@ -191,14 +191,14 @@ function testAuthUserUserLogin() {
   function testThemeCallbackOptionalTheme() {
     // Request a theme that is not enabled.
     $this->drupalGet('menu-test/theme-callback/use-stark-theme');
-    $this->assertText('Custom theme: NONE. Actual theme: bartik.', t('The theme callback system falls back on the default theme when a theme that is not enabled is requested.'));
-    $this->assertRaw('bartik/css/style.css', t("The default theme's CSS appears on the page."));
+    $this->assertText('Custom theme: NONE. Actual theme: bartik.', 'The theme callback system falls back on the default theme when a theme that is not enabled is requested.');
+    $this->assertRaw('bartik/css/style.css', "The default theme's CSS appears on the page.");
 
     // Now enable the theme and request it again.
     theme_enable(array('stark'));
     $this->drupalGet('menu-test/theme-callback/use-stark-theme');
-    $this->assertText('Custom theme: stark. Actual theme: stark.', t('The theme callback system uses an optional theme once it has been enabled.'));
-    $this->assertRaw('stark/css/layout.css', t("The optional theme's CSS appears on the page."));
+    $this->assertText('Custom theme: stark. Actual theme: stark.', 'The theme callback system uses an optional theme once it has been enabled.');
+    $this->assertRaw('stark/css/layout.css', "The optional theme's CSS appears on the page.");
   }
 
   /**
@@ -206,8 +206,8 @@ function testThemeCallbackOptionalTheme() {
    */
   function testThemeCallbackFakeTheme() {
     $this->drupalGet('menu-test/theme-callback/use-fake-theme');
-    $this->assertText('Custom theme: NONE. Actual theme: bartik.', t('The theme callback system falls back on the default theme when a theme that does not exist is requested.'));
-    $this->assertRaw('bartik/css/style.css', t("The default theme's CSS appears on the page."));
+    $this->assertText('Custom theme: NONE. Actual theme: bartik.', 'The theme callback system falls back on the default theme when a theme that does not exist is requested.');
+    $this->assertRaw('bartik/css/style.css', "The default theme's CSS appears on the page.");
   }
 
   /**
@@ -215,8 +215,8 @@ function testThemeCallbackFakeTheme() {
    */
   function testThemeCallbackNoThemeRequested() {
     $this->drupalGet('menu-test/theme-callback/no-theme-requested');
-    $this->assertText('Custom theme: NONE. Actual theme: bartik.', t('The theme callback system falls back on the default theme when no theme is requested.'));
-    $this->assertRaw('bartik/css/style.css', t("The default theme's CSS appears on the page."));
+    $this->assertText('Custom theme: NONE. Actual theme: bartik.', 'The theme callback system falls back on the default theme when no theme is requested.');
+    $this->assertRaw('bartik/css/style.css', "The default theme's CSS appears on the page.");
   }
 
   /**
@@ -231,8 +231,8 @@ function testHookCustomTheme() {
     // Visit a page that does not implement a theme callback. The above request
     // should be honored.
     $this->drupalGet('menu-test/no-theme-callback');
-    $this->assertText('Custom theme: stark. Actual theme: stark.', t('The result of hook_custom_theme() is used as the theme for the current page.'));
-    $this->assertRaw('stark/css/layout.css', t("The Stark theme's CSS appears on the page."));
+    $this->assertText('Custom theme: stark. Actual theme: stark.', 'The result of hook_custom_theme() is used as the theme for the current page.');
+    $this->assertRaw('stark/css/layout.css', "The Stark theme's CSS appears on the page.");
   }
 
   /**
@@ -247,8 +247,8 @@ function testThemeCallbackHookCustomTheme() {
     // The menu "theme callback" should take precedence over a value set in
     // hook_custom_theme().
     $this->drupalGet('menu-test/theme-callback/use-admin-theme');
-    $this->assertText('Custom theme: seven. Actual theme: seven.', t('The result of hook_custom_theme() does not override what was set in a theme callback.'));
-    $this->assertRaw('seven/style.css', t("The Seven theme's CSS appears on the page."));
+    $this->assertText('Custom theme: seven. Actual theme: seven.', 'The result of hook_custom_theme() does not override what was set in a theme callback.');
+    $this->assertRaw('seven/style.css', "The Seven theme's CSS appears on the page.");
   }
 
   /**
@@ -306,7 +306,7 @@ function testMenuName() {
 
     $sql = "SELECT menu_name FROM {menu_links} WHERE router_path = 'menu_name_test'";
     $name = db_query($sql)->fetchField();
-    $this->assertEqual($name, 'original', t('Menu name is "original".'));
+    $this->assertEqual($name, 'original', 'Menu name is "original".');
 
     // Change the menu_name parameter in menu_test.module, then force a menu
     // rebuild.
@@ -315,7 +315,7 @@ function testMenuName() {
 
     $sql = "SELECT menu_name FROM {menu_links} WHERE router_path = 'menu_name_test'";
     $name = db_query($sql)->fetchField();
-    $this->assertEqual($name, 'changed', t('Menu name was successfully changed after rebuild.'));
+    $this->assertEqual($name, 'changed', 'Menu name was successfully changed after rebuild.');
   }
 
   /**
@@ -326,8 +326,8 @@ function testMenuHierarchy() {
     $child_link = db_query('SELECT * FROM {menu_links} WHERE link_path = :link_path', array(':link_path' => 'menu-test/hierarchy/parent/child'))->fetchAssoc();
     $unattached_child_link = db_query('SELECT * FROM {menu_links} WHERE link_path = :link_path', array(':link_path' => 'menu-test/hierarchy/parent/child2/child'))->fetchAssoc();
 
-    $this->assertEqual($child_link['plid'], $parent_link['mlid'], t('The parent of a directly attached child is correct.'));
-    $this->assertEqual($unattached_child_link['plid'], $parent_link['mlid'], t('The parent of a non-directly attached child is correct.'));
+    $this->assertEqual($child_link['plid'], $parent_link['mlid'], 'The parent of a directly attached child is correct.');
+    $this->assertEqual($unattached_child_link['plid'], $parent_link['mlid'], 'The parent of a non-directly attached child is correct.');
   }
 
   /**
@@ -347,40 +347,40 @@ function testMenuHidden() {
     $plid = $parent['mlid'];
 
     $link = $links['menu-test/hidden/menu/list'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/menu/add'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/menu/settings'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/menu/manage/%'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $parent = $links['menu-test/hidden/menu/manage/%'];
     $depth = $parent['depth'] + 1;
     $plid = $parent['mlid'];
 
     $link = $links['menu-test/hidden/menu/manage/%/list'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/menu/manage/%/add'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/menu/manage/%/edit'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/menu/manage/%/delete'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     // Verify links for two dynamic arguments.
     $links = db_select('menu_links', 'ml')
@@ -395,28 +395,28 @@ function testMenuHidden() {
     $plid = $parent['mlid'];
 
     $link = $links['menu-test/hidden/block/list'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/block/add'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/block/manage/%/%'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $parent = $links['menu-test/hidden/block/manage/%/%'];
     $depth = $parent['depth'] + 1;
     $plid = $parent['mlid'];
 
     $link = $links['menu-test/hidden/block/manage/%/%/configure'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
 
     $link = $links['menu-test/hidden/block/manage/%/%/delete'];
-    $this->assertEqual($link['depth'], $depth, t('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
-    $this->assertEqual($link['plid'], $plid, t('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
+    $this->assertEqual($link['depth'], $depth, format_string('%path depth @link_depth is equal to @depth.', array('%path' => $link['router_path'], '@link_depth' => $link['depth'], '@depth' => $depth)));
+    $this->assertEqual($link['plid'], $plid, format_string('%path plid @link_plid is equal to @plid.', array('%path' => $link['router_path'], '@link_plid' => $link['plid'], '@plid' => $plid)));
   }
 
   /**
@@ -433,7 +433,7 @@ function testMenuGetItemNoAncestors() {
   function testMenuSetItem() {
     $item = menu_get_item('node');
 
-    $this->assertEqual($item['path'], 'node', t("Path from menu_get_item('node') is equal to 'node'"), 'menu');
+    $this->assertEqual($item['path'], 'node', "Path from menu_get_item('node') is equal to 'node'", 'menu');
 
     // Modify the path for the item then save it.
     $item['path'] = 'node_test';
@@ -441,7 +441,7 @@ function testMenuSetItem() {
 
     menu_set_item('node', $item);
     $compare_item = menu_get_item('node');
-    $this->assertEqual($compare_item, $item, t('Modified menu item is equal to newly retrieved menu item.'), 'menu');
+    $this->assertEqual($compare_item, $item, 'Modified menu item is equal to newly retrieved menu item.', 'menu');
   }
 
   /**
@@ -450,13 +450,13 @@ function testMenuSetItem() {
   function testMenuItemHooks() {
     // Create an item.
     menu_link_maintain('menu_test', 'insert', 'menu_test_maintain/4', 'Menu link #4');
-    $this->assertEqual(menu_test_static_variable(), 'insert', t('hook_menu_link_insert() fired correctly'));
+    $this->assertEqual(menu_test_static_variable(), 'insert', 'hook_menu_link_insert() fired correctly');
     // Update the item.
     menu_link_maintain('menu_test', 'update', 'menu_test_maintain/4', 'Menu link updated');
-    $this->assertEqual(menu_test_static_variable(), 'update', t('hook_menu_link_update() fired correctly'));
+    $this->assertEqual(menu_test_static_variable(), 'update', 'hook_menu_link_update() fired correctly');
     // Delete the item.
     menu_link_maintain('menu_test', 'delete', 'menu_test_maintain/4', '');
-    $this->assertEqual(menu_test_static_variable(), 'delete', t('hook_menu_link_delete() fired correctly'));
+    $this->assertEqual(menu_test_static_variable(), 'delete', 'hook_menu_link_delete() fired correctly');
   }
 
   /**
@@ -481,8 +481,8 @@ function testMenuLinkOptions() {
 
     // Load front page.
     $this->drupalGet('node');
-    $this->assertRaw('title="Test title attribute"', t('Title attribute of a menu link renders.'));
-    $this->assertRaw('testparam=testvalue', t('Query parameter added to menu link.'));
+    $this->assertRaw('title="Test title attribute"', 'Title attribute of a menu link renders.');
+    $this->assertRaw('testparam=testvalue', 'Query parameter added to menu link.');
   }
 
   /**
@@ -515,7 +515,7 @@ private function menuItemTitlesCasesHelper($case_no, $override = FALSE) {
     $this->drupalGet('menu-title-test/case' . $case_no);
     $this->assertResponse(200);
     $asserted_title = $override ? 'Alternative example title - Case ' . $case_no : 'Example title - Case ' . $case_no;
-    $this->assertTitle($asserted_title . ' | Drupal', t('Menu title is') . ': ' . $asserted_title, 'Menu');
+    $this->assertTitle($asserted_title . ' | Drupal', format_string('Menu title is: %title.', array('%title' => $asserted_title)), 'Menu');
   }
 
   /**
@@ -572,7 +572,7 @@ function testMenuLoadArgumentsInheritance() {
 
     foreach ($expected as $router_path => $load_functions) {
       $router_item = $this->menuLoadRouter($router_path);
-      $this->assertIdentical(unserialize($router_item['load_functions']), $load_functions, t('Expected load functions for router %router_path' , array('%router_path' => $router_path)));
+      $this->assertIdentical(unserialize($router_item['load_functions']), $load_functions, format_string('Expected load functions for router %router_path' , array('%router_path' => $router_path)));
     }
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/TrailTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/TrailTest.php
index cf96b861dd66..eac85462383d 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/TrailTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/TrailTest.php
@@ -178,13 +178,13 @@ function testCustom403And404Pages() {
       // Check that the initial trail (during the Drupal bootstrap) matches
       // what we expect.
       $initial_trail = variable_get('menu_test_active_trail_initial', array());
-      $this->assertEqual(count($initial_trail), count($expected_trail[$status_code]['initial']), t('The initial active trail for a @status_code page contains the expected number of items (expected: @expected, found: @found).', array(
+      $this->assertEqual(count($initial_trail), count($expected_trail[$status_code]['initial']), format_string('The initial active trail for a @status_code page contains the expected number of items (expected: @expected, found: @found).', array(
         '@status_code' => $status_code,
         '@expected' => count($expected_trail[$status_code]['initial']),
         '@found' => count($initial_trail),
       )));
       foreach (array_keys($expected_trail[$status_code]['initial']) as $index => $path) {
-        $this->assertEqual($initial_trail[$index]['href'], $path, t('Element number @number of the initial active trail for a @status_code page contains the correct path (expected: @expected, found: @found)', array(
+        $this->assertEqual($initial_trail[$index]['href'], $path, format_string('Element number @number of the initial active trail for a @status_code page contains the correct path (expected: @expected, found: @found)', array(
           '@number' => $index + 1,
           '@status_code' => $status_code,
           '@expected' => $path,
@@ -195,13 +195,13 @@ function testCustom403And404Pages() {
       // Check that the final trail (after the user has been redirected to the
       // custom 403/404 page) matches what we expect.
       $final_trail = variable_get('menu_test_active_trail_final', array());
-      $this->assertEqual(count($final_trail), count($expected_trail[$status_code]['final']), t('The final active trail for a @status_code page contains the expected number of items (expected: @expected, found: @found).', array(
+      $this->assertEqual(count($final_trail), count($expected_trail[$status_code]['final']), format_string('The final active trail for a @status_code page contains the expected number of items (expected: @expected, found: @found).', array(
         '@status_code' => $status_code,
         '@expected' => count($expected_trail[$status_code]['final']),
         '@found' => count($final_trail),
       )));
       foreach (array_keys($expected_trail[$status_code]['final']) as $index => $path) {
-        $this->assertEqual($final_trail[$index]['href'], $path, t('Element number @number of the final active trail for a @status_code page contains the correct path (expected: @expected, found: @found)', array(
+        $this->assertEqual($final_trail[$index]['href'], $path, format_string('Element number @number of the final active trail for a @status_code page contains the correct path (expected: @expected, found: @found)', array(
           '@number' => $index + 1,
           '@status_code' => $status_code,
           '@expected' => $path,
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/TreeDataUnitTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/TreeDataUnitTest.php
index 5788e95f644d..fac7841a6401 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/TreeDataUnitTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/TreeDataUnitTest.php
@@ -39,12 +39,12 @@ function testMenuTreeData() {
     $tree = menu_tree_data($this->links);
 
     // Validate that parent items #1, #2, and #5 exist on the root level.
-    $this->assertSameLink($this->links[1], $tree[1]['link'], t('Parent item #1 exists.'));
-    $this->assertSameLink($this->links[2], $tree[2]['link'], t('Parent item #2 exists.'));
-    $this->assertSameLink($this->links[5], $tree[5]['link'], t('Parent item #5 exists.'));
+    $this->assertSameLink($this->links[1], $tree[1]['link'], 'Parent item #1 exists.');
+    $this->assertSameLink($this->links[2], $tree[2]['link'], 'Parent item #2 exists.');
+    $this->assertSameLink($this->links[5], $tree[5]['link'], 'Parent item #5 exists.');
 
     // Validate that child item #4 exists at the correct location in the hierarchy.
-    $this->assertSameLink($this->links[4], $tree[2]['below'][3]['below'][4]['link'], t('Child item #4 exists in the hierarchy.'));
+    $this->assertSameLink($this->links[4], $tree[2]['below'][3]['below'][4]['link'], 'Child item #4 exists in the hierarchy.');
   }
 
   /**
@@ -60,6 +60,6 @@ function testMenuTreeData() {
    *   TRUE if the assertion succeeded, FALSE otherwise.
    */
   protected function assertSameLink($link1, $link2, $message = '') {
-    return $this->assert($link1['mlid'] == $link2['mlid'], $message ? $message : t('First link is identical to second link'));
+    return $this->assert($link1['mlid'] == $link2['mlid'], $message ?: 'First link is identical to second link');
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Menu/TreeOutputTest.php b/core/modules/system/lib/Drupal/system/Tests/Menu/TreeOutputTest.php
index e74b82032aab..e1b46adbc95d 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Menu/TreeOutputTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Menu/TreeOutputTest.php
@@ -54,15 +54,15 @@ function testMenuTreeData() {
     $output = menu_tree_output($this->tree_data);
 
     // Validate that the - in main-menu is changed into an underscore
-    $this->assertEqual( $output['1']['#theme'], 'menu_link__main_menu', t('Hyphen is changed to a dash on menu_link'));
-    $this->assertEqual( $output['#theme_wrappers'][0], 'menu_tree__main_menu', t('Hyphen is changed to a dash on menu_tree wrapper'));
+    $this->assertEqual( $output['1']['#theme'], 'menu_link__main_menu', 'Hyphen is changed to a dash on menu_link');
+    $this->assertEqual( $output['#theme_wrappers'][0], 'menu_tree__main_menu', 'Hyphen is changed to a dash on menu_tree wrapper');
     // Looking for child items in the data
-    $this->assertEqual( $output['1']['#below']['2']['#href'], 'a/b', t('Checking the href on a child item'));
-    $this->assertTrue( in_array('active-trail',$output['1']['#below']['2']['#attributes']['class']) , t('Checking the active trail class'));
+    $this->assertEqual( $output['1']['#below']['2']['#href'], 'a/b', 'Checking the href on a child item');
+    $this->assertTrue( in_array('active-trail',$output['1']['#below']['2']['#attributes']['class']) , 'Checking the active trail class');
     // Validate that the hidden and no access items are missing
-    $this->assertFalse( isset($output['5']), t('Hidden item should be missing'));
-    $this->assertFalse( isset($output['6']), t('False access should be missing'));
+    $this->assertFalse( isset($output['5']), 'Hidden item should be missing');
+    $this->assertFalse( isset($output['6']), 'False access should be missing');
     // Item 7 is after a couple hidden items. Just to make sure that 5 and 6 are skipped and 7 still included
-    $this->assertTrue( isset($output['7']), t('Item after hidden items is present'));
+    $this->assertTrue( isset($output['7']), 'Item after hidden items is present');
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ClassLoaderTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/ClassLoaderTest.php
index aa74dcf56369..df59ea08d8aa 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ClassLoaderTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ClassLoaderTest.php
@@ -32,7 +32,7 @@ function testClassLoading() {
     // Check twice to test an unprimed and primed system_list() cache.
     for ($i=0; $i<2; $i++) {
       $this->drupalGet('module-test/class-loading');
-      $this->assertText($expected, t('Autoloader loads classes from an enabled module.'));
+      $this->assertText($expected, 'Autoloader loads classes from an enabled module.');
     }
 
     module_disable(array('module_autoload_test'), FALSE);
@@ -40,7 +40,7 @@ function testClassLoading() {
     // Check twice to test an unprimed and primed system_list() cache.
     for ($i=0; $i<2; $i++) {
       $this->drupalGet('module-test/class-loading');
-      $this->assertNoText($expected, t('Autoloader does not load classes from a disabled module.'));
+      $this->assertNoText($expected, 'Autoloader does not load classes from a disabled module.');
     }
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/DependencyTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/DependencyTest.php
index 7e0c5e956772..88dab0da9d9a 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/DependencyTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/DependencyTest.php
@@ -27,7 +27,7 @@ function testEnableWithoutDependency() {
     $edit = array();
     $edit['modules[Core][translation][enable]'] = 'translation';
     $this->drupalPost('admin/modules', $edit, t('Save configuration'));
-    $this->assertText(t('Some required modules must be enabled'), t('Dependency required.'));
+    $this->assertText(t('Some required modules must be enabled'), 'Dependency required.');
 
     $this->assertModules(array('translation', 'locale', 'language'), FALSE);
 
@@ -35,7 +35,7 @@ function testEnableWithoutDependency() {
     $this->assertTableCount('language', FALSE);
 
     $this->drupalPost(NULL, NULL, t('Continue'));
-    $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+    $this->assertText(t('The configuration options have been saved.'), 'Modules status has been updated.');
 
     $this->assertModules(array('translation', 'language'), TRUE);
 
@@ -50,9 +50,9 @@ function testMissingModules() {
     // Test that the system_dependencies_test module is marked
     // as missing a dependency.
     $this->drupalGet('admin/modules');
-    $this->assertRaw(t('@module (<span class="admin-missing">missing</span>)', array('@module' => drupal_ucfirst('_missing_dependency'))), t('A module with missing dependencies is marked as such.'));
+    $this->assertRaw(t('@module (<span class="admin-missing">missing</span>)', array('@module' => drupal_ucfirst('_missing_dependency'))), 'A module with missing dependencies is marked as such.');
     $checkbox = $this->xpath('//input[@type="checkbox" and @disabled="disabled" and @name="modules[Testing][system_dependencies_test][enable]"]');
-    $this->assert(count($checkbox) == 1, t('Checkbox for the module is disabled.'));
+    $this->assert(count($checkbox) == 1, 'Checkbox for the module is disabled.');
 
     // Force enable the system_dependencies_test module.
     module_enable(array('system_dependencies_test'), FALSE);
@@ -60,7 +60,7 @@ function testMissingModules() {
     // Verify that the module is forced to be disabled when submitting
     // the module page.
     $this->drupalPost('admin/modules', array(), t('Save configuration'));
-    $this->assertText(t('The @module module is missing, so the following module will be disabled: @depends.', array('@module' => '_missing_dependency', '@depends' => 'system_dependencies_test')), t('The module missing dependencies will be disabled.'));
+    $this->assertText(t('The @module module is missing, so the following module will be disabled: @depends.', array('@module' => '_missing_dependency', '@depends' => 'system_dependencies_test')), 'The module missing dependencies will be disabled.');
 
     // Confirm.
     $this->drupalPost(NULL, NULL, t('Continue'));
@@ -81,7 +81,7 @@ function testIncompatibleModuleVersionDependency() {
       '@version' => '1.0',
     )), 'A module that depends on an incompatible version of a module is marked as such.');
     $checkbox = $this->xpath('//input[@type="checkbox" and @disabled="disabled" and @name="modules[Testing][system_incompatible_module_version_dependencies_test][enable]"]');
-    $this->assert(count($checkbox) == 1, t('Checkbox for the module is disabled.'));
+    $this->assert(count($checkbox) == 1, 'Checkbox for the module is disabled.');
   }
 
   /**
@@ -95,7 +95,7 @@ function testIncompatibleCoreVersionDependency() {
       '@module' => 'System incompatible core version test',
     )), 'A module that depends on a module with an incompatible core version is marked as such.');
     $checkbox = $this->xpath('//input[@type="checkbox" and @disabled="disabled" and @name="modules[Testing][system_incompatible_core_version_dependencies_test][enable]"]');
-    $this->assert(count($checkbox) == 1, t('Checkbox for the module is disabled.'));
+    $this->assert(count($checkbox) == 1, 'Checkbox for the module is disabled.');
   }
 
   /**
@@ -114,7 +114,7 @@ function testEnableRequirementsFailureDependency() {
     $this->drupalPost('admin/modules', $edit, t('Save configuration'));
 
     // Makes sure the modules were NOT installed.
-    $this->assertText(t('Requirements 1 Test failed requirements'), t('Modules status has been updated.'));
+    $this->assertText(t('Requirements 1 Test failed requirements'), 'Modules status has been updated.');
     $this->assertModules(array('requirements1_test'), FALSE);
     $this->assertModules(array('requirements2_test'), FALSE);
 
@@ -180,17 +180,17 @@ function testUninstallDependents() {
     // Check that the taxonomy module cannot be uninstalled.
     $this->drupalGet('admin/modules/uninstall');
     $checkbox = $this->xpath('//input[@type="checkbox" and @disabled="disabled" and @name="uninstall[comment]"]');
-    $this->assert(count($checkbox) == 1, t('Checkbox for uninstalling the comment module is disabled.'));
+    $this->assert(count($checkbox) == 1, 'Checkbox for uninstalling the comment module is disabled.');
 
     // Uninstall the forum module, and check that taxonomy now can also be
     // uninstalled.
     $edit = array('uninstall[forum]' => 'forum');
     $this->drupalPost('admin/modules/uninstall', $edit, t('Uninstall'));
     $this->drupalPost(NULL, NULL, t('Uninstall'));
-    $this->assertText(t('The selected modules have been uninstalled.'), t('Modules status has been updated.'));
+    $this->assertText(t('The selected modules have been uninstalled.'), 'Modules status has been updated.');
     $edit = array('uninstall[comment]' => 'comment');
     $this->drupalPost('admin/modules/uninstall', $edit, t('Uninstall'));
     $this->drupalPost(NULL, NULL, t('Uninstall'));
-    $this->assertText(t('The selected modules have been uninstalled.'), t('Modules status has been updated.'));
+    $this->assertText(t('The selected modules have been uninstalled.'), 'Modules status has been updated.');
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/EnableDisableTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/EnableDisableTest.php
index 8afe33bfee97..cbd26b3de208 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/EnableDisableTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/EnableDisableTest.php
@@ -47,7 +47,7 @@ function testEnableDisable() {
       }
     }
 
-    $this->assertTrue(count($modules), t('Found @count modules that can be enabled: %modules', array(
+    $this->assertTrue(count($modules), format_string('Found @count modules that can be enabled: %modules', array(
       '@count' => count($modules),
       '%modules' => implode(', ', array_keys($modules)),
     )));
@@ -95,7 +95,7 @@ function testEnableDisable() {
         if (count($modules_to_enable) > 1) {
           $this->drupalPost(NULL, array(), t('Continue'));
         }
-        $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+        $this->assertText(t('The configuration options have been saved.'), 'Modules status has been updated.');
 
         // Check that hook_modules_installed() and hook_modules_enabled() were
         // invoked with the expected list of modules, that each module's
@@ -162,7 +162,7 @@ function testEnableDisable() {
       $edit['modules[Core][' . $name . '][enable]'] = $name;
     }
     $this->drupalPost('admin/modules', $edit, t('Save configuration'));
-    $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+    $this->assertText(t('The configuration options have been saved.'), 'Modules status has been updated.');
   }
 
   /**
@@ -176,7 +176,7 @@ function assertSuccessfulDisableAndUninstall($module) {
     $edit = array();
     $edit['modules[Core][' . $module . '][enable]'] = FALSE;
     $this->drupalPost('admin/modules', $edit, t('Save configuration'));
-    $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
+    $this->assertText(t('The configuration options have been saved.'), 'Modules status has been updated.');
     $this->assertModules(array($module), FALSE);
 
     // Check that the appropriate hook was fired and the appropriate log
@@ -194,7 +194,7 @@ function assertSuccessfulDisableAndUninstall($module) {
     $edit['uninstall[' . $module . ']'] = $module;
     $this->drupalPost('admin/modules/uninstall', $edit, t('Uninstall'));
     $this->drupalPost(NULL, NULL, t('Uninstall'));
-    $this->assertText(t('The selected modules have been uninstalled.'), t('Modules status has been updated.'));
+    $this->assertText(t('The selected modules have been uninstalled.'), 'Modules status has been updated.');
     $this->assertModules(array($module), FALSE);
 
     // Check that the appropriate hook was fired and the appropriate log
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/HookRequirementsTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/HookRequirementsTest.php
index 6e71f1fd98a8..1572f5dd95de 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/HookRequirementsTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/HookRequirementsTest.php
@@ -31,7 +31,7 @@ function testHookRequirementsFailure() {
     $this->drupalPost('admin/modules', $edit, t('Save configuration'));
 
     // Makes sure the module was NOT installed.
-    $this->assertText(t('Requirements 1 Test failed requirements'), t('Modules status has been updated.'));
+    $this->assertText(t('Requirements 1 Test failed requirements'), 'Modules status has been updated.');
     $this->assertModules(array('requirements1_test'), FALSE);
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php
index 29e532227508..a141f00d9da9 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/InstallTest.php
@@ -45,7 +45,7 @@ function testDrupalWriteRecord() {
     // Check for data that was inserted using drupal_write_record() while the
     // 'module_test' module was being installed and enabled.
     $data = db_query("SELECT data FROM {module_test}")->fetchCol();
-    $this->assertTrue(in_array('Data inserted in hook_install()', $data), t('Data inserted using drupal_write_record() in hook_install() is correctly saved.'));
-    $this->assertTrue(in_array('Data inserted in hook_enable()', $data), t('Data inserted using drupal_write_record() in hook_enable() is correctly saved.'));
+    $this->assertTrue(in_array('Data inserted in hook_install()', $data), 'Data inserted using drupal_write_record() in hook_install() is correctly saved.');
+    $this->assertTrue(in_array('Data inserted in hook_enable()', $data), 'Data inserted using drupal_write_record() in hook_enable() is correctly saved.');
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
index 8468185a3878..75070a976bd1 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleApiTest.php
@@ -83,7 +83,7 @@ function testModuleList() {
    */
   protected function assertModuleList(Array $expected_values, $condition) {
     $expected_values = array_combine($expected_values, $expected_values);
-    $this->assertEqual($expected_values, module_list(), t('@condition: module_list() returns correct results', array('@condition' => $condition)));
+    $this->assertEqual($expected_values, module_list(), format_string('@condition: module_list() returns correct results', array('@condition' => $condition)));
   }
 
   /**
@@ -92,16 +92,16 @@ protected function assertModuleList(Array $expected_values, $condition) {
   function testModuleImplements() {
     // Clear the cache.
     cache('bootstrap')->delete('module_implements');
-    $this->assertFalse(cache('bootstrap')->get('module_implements'), t('The module implements cache is empty.'));
+    $this->assertFalse(cache('bootstrap')->get('module_implements'), 'The module implements cache is empty.');
     $this->drupalGet('');
-    $this->assertTrue(cache('bootstrap')->get('module_implements'), t('The module implements cache is populated after requesting a page.'));
+    $this->assertTrue(cache('bootstrap')->get('module_implements'), 'The module implements cache is populated after requesting a page.');
 
     // Test again with an authenticated user.
     $this->user = $this->drupalCreateUser();
     $this->drupalLogin($this->user);
     cache('bootstrap')->delete('module_implements');
     $this->drupalGet('');
-    $this->assertTrue(cache('bootstrap')->get('module_implements'), t('The module implements cache is populated after requesting a page.'));
+    $this->assertTrue(cache('bootstrap')->get('module_implements'), 'The module implements cache is populated after requesting a page.');
 
     // Make sure group include files are detected properly even when the file is
     // already loaded when the cache is rebuilt.
@@ -122,7 +122,7 @@ function testModuleInvoke() {
     module_enable(array('module_test'), FALSE);
     $this->resetAll();
     $this->drupalGet('module-test/hook-dynamic-loading-invoke');
-    $this->assertText('success!', t('module_invoke() dynamically loads a hook defined in hook_hook_info().'));
+    $this->assertText('success!', 'module_invoke() dynamically loads a hook defined in hook_hook_info().');
   }
 
   /**
@@ -132,7 +132,7 @@ function testModuleInvokeAll() {
     module_enable(array('module_test'), FALSE);
     $this->resetAll();
     $this->drupalGet('module-test/hook-dynamic-loading-invoke-all');
-    $this->assertText('success!', t('module_invoke_all() dynamically loads a hook defined in hook_hook_info().'));
+    $this->assertText('success!', 'module_invoke_all() dynamically loads a hook defined in hook_hook_info().');
   }
 
   /**
@@ -145,7 +145,7 @@ function testModuleInvokeAllDuringLoadFunction() {
     module_enable(array('module_test'), FALSE);
     $this->resetAll();
     $this->drupalGet('module-test/hook-dynamic-loading-invoke-all-during-load/module_test');
-    $this->assertText('success!', t('Menu item load function invokes a hook defined in hook_hook_info().'));
+    $this->assertText('success!', 'Menu item load function invokes a hook defined in hook_hook_info().');
   }
 
   /**
@@ -156,79 +156,79 @@ function testDependencyResolution() {
     // are not already enabled. (If they were, the tests below would not work
     // correctly.)
     module_enable(array('module_test'), FALSE);
-    $this->assertTrue(module_exists('module_test'), t('Test module is enabled.'));
-    $this->assertFalse(module_exists('forum'), t('Forum module is disabled.'));
-    $this->assertFalse(module_exists('poll'), t('Poll module is disabled.'));
-    $this->assertFalse(module_exists('php'), t('PHP module is disabled.'));
+    $this->assertTrue(module_exists('module_test'), 'Test module is enabled.');
+    $this->assertFalse(module_exists('forum'), 'Forum module is disabled.');
+    $this->assertFalse(module_exists('poll'), 'Poll module is disabled.');
+    $this->assertFalse(module_exists('php'), 'PHP module is disabled.');
 
     // First, create a fake missing dependency. Forum depends on poll, which
     // depends on a made-up module, foo. Nothing should be installed.
     variable_set('dependency_test', 'missing dependency');
     drupal_static_reset('system_rebuild_module_data');
     $result = module_enable(array('forum'));
-    $this->assertFalse($result, t('module_enable() returns FALSE if dependencies are missing.'));
-    $this->assertFalse(module_exists('forum'), t('module_enable() aborts if dependencies are missing.'));
+    $this->assertFalse($result, 'module_enable() returns FALSE if dependencies are missing.');
+    $this->assertFalse(module_exists('forum'), 'module_enable() aborts if dependencies are missing.');
 
     // Now, fix the missing dependency. Forum module depends on poll, but poll
     // depends on the PHP module. module_enable() should work.
     variable_set('dependency_test', 'dependency');
     drupal_static_reset('system_rebuild_module_data');
     $result = module_enable(array('forum'));
-    $this->assertTrue($result, t('module_enable() returns the correct value.'));
+    $this->assertTrue($result, 'module_enable() returns the correct value.');
     // Verify that the fake dependency chain was installed.
-    $this->assertTrue(module_exists('poll') && module_exists('php'), t('Dependency chain was installed by module_enable().'));
+    $this->assertTrue(module_exists('poll') && module_exists('php'), 'Dependency chain was installed by module_enable().');
     // Verify that the original module was installed.
-    $this->assertTrue(module_exists('forum'), t('Module installation with unlisted dependencies succeeded.'));
+    $this->assertTrue(module_exists('forum'), 'Module installation with unlisted dependencies succeeded.');
     // Finally, verify that the modules were enabled in the correct order.
-    $this->assertEqual(variable_get('test_module_enable_order', array()), array('php', 'poll', 'forum'), t('Modules were enabled in the correct order by module_enable().'));
+    $this->assertEqual(variable_get('test_module_enable_order', array()), array('php', 'poll', 'forum'), 'Modules were enabled in the correct order by module_enable().');
 
     // Now, disable the PHP module. Both forum and poll should be disabled as
     // well, in the correct order.
     module_disable(array('php'));
-    $this->assertTrue(!module_exists('forum') && !module_exists('poll'), t('Depedency chain was disabled by module_disable().'));
-    $this->assertFalse(module_exists('php'), t('Disabling a module with unlisted dependents succeeded.'));
-    $this->assertEqual(variable_get('test_module_disable_order', array()), array('forum', 'poll', 'php'), t('Modules were disabled in the correct order by module_disable().'));
+    $this->assertTrue(!module_exists('forum') && !module_exists('poll'), 'Depedency chain was disabled by module_disable().');
+    $this->assertFalse(module_exists('php'), 'Disabling a module with unlisted dependents succeeded.');
+    $this->assertEqual(variable_get('test_module_disable_order', array()), array('forum', 'poll', 'php'), 'Modules were disabled in the correct order by module_disable().');
 
     // Disable a module that is listed as a dependency by the install profile.
     // Make sure that the profile itself is not on the list of dependent
     // modules to be disabled.
     $profile = drupal_get_profile();
     $info = install_profile_info($profile);
-    $this->assertTrue(in_array('comment', $info['dependencies']), t('Comment module is listed as a dependency of the install profile.'));
-    $this->assertTrue(module_exists('comment'), t('Comment module is enabled.'));
+    $this->assertTrue(in_array('comment', $info['dependencies']), 'Comment module is listed as a dependency of the install profile.');
+    $this->assertTrue(module_exists('comment'), 'Comment module is enabled.');
     module_disable(array('comment'));
-    $this->assertFalse(module_exists('comment'), t('Comment module was disabled.'));
+    $this->assertFalse(module_exists('comment'), 'Comment module was disabled.');
     $disabled_modules = variable_get('test_module_disable_order', array());
-    $this->assertTrue(in_array('comment', $disabled_modules), t('Comment module is in the list of disabled modules.'));
-    $this->assertFalse(in_array($profile, $disabled_modules), t('The installation profile is not in the list of disabled modules.'));
+    $this->assertTrue(in_array('comment', $disabled_modules), 'Comment module is in the list of disabled modules.');
+    $this->assertFalse(in_array($profile, $disabled_modules), 'The installation profile is not in the list of disabled modules.');
 
     // Try to uninstall the PHP module by itself. This should be rejected,
     // since the modules which it depends on need to be uninstalled first, and
     // that is too destructive to perform automatically.
     $result = module_uninstall(array('php'));
-    $this->assertFalse($result, t('Calling module_uninstall() on a module whose dependents are not uninstalled fails.'));
+    $this->assertFalse($result, 'Calling module_uninstall() on a module whose dependents are not uninstalled fails.');
     foreach (array('forum', 'poll', 'php') as $module) {
-      $this->assertNotEqual(drupal_get_installed_schema_version($module), SCHEMA_UNINSTALLED, t('The @module module was not uninstalled.', array('@module' => $module)));
+      $this->assertNotEqual(drupal_get_installed_schema_version($module), SCHEMA_UNINSTALLED, format_string('The @module module was not uninstalled.', array('@module' => $module)));
     }
 
     // Now uninstall all three modules explicitly, but in the incorrect order,
     // and make sure that drupal_uninstal_modules() uninstalled them in the
     // correct sequence.
     $result = module_uninstall(array('poll', 'php', 'forum'));
-    $this->assertTrue($result, t('module_uninstall() returns the correct value.'));
+    $this->assertTrue($result, 'module_uninstall() returns the correct value.');
     foreach (array('forum', 'poll', 'php') as $module) {
-      $this->assertEqual(drupal_get_installed_schema_version($module), SCHEMA_UNINSTALLED, t('The @module module was uninstalled.', array('@module' => $module)));
+      $this->assertEqual(drupal_get_installed_schema_version($module), SCHEMA_UNINSTALLED, format_string('The @module module was uninstalled.', array('@module' => $module)));
     }
-    $this->assertEqual(variable_get('test_module_uninstall_order', array()), array('forum', 'poll', 'php'), t('Modules were uninstalled in the correct order by module_uninstall().'));
+    $this->assertEqual(variable_get('test_module_uninstall_order', array()), array('forum', 'poll', 'php'), 'Modules were uninstalled in the correct order by module_uninstall().');
 
     // Uninstall the profile module from above, and make sure that the profile
     // itself is not on the list of dependent modules to be uninstalled.
     $result = module_uninstall(array('comment'));
-    $this->assertTrue($result, t('module_uninstall() returns the correct value.'));
-    $this->assertEqual(drupal_get_installed_schema_version('comment'), SCHEMA_UNINSTALLED, t('Comment module was uninstalled.'));
+    $this->assertTrue($result, 'module_uninstall() returns the correct value.');
+    $this->assertEqual(drupal_get_installed_schema_version('comment'), SCHEMA_UNINSTALLED, 'Comment module was uninstalled.');
     $uninstalled_modules = variable_get('test_module_uninstall_order', array());
-    $this->assertTrue(in_array('comment', $uninstalled_modules), t('Comment module is in the list of uninstalled modules.'));
-    $this->assertFalse(in_array($profile, $uninstalled_modules), t('The installation profile is not in the list of uninstalled modules.'));
+    $this->assertTrue(in_array('comment', $uninstalled_modules), 'Comment module is in the list of uninstalled modules.');
+    $this->assertFalse(in_array($profile, $uninstalled_modules), 'The installation profile is not in the list of uninstalled modules.');
 
     // Enable forum module again, which should enable both the poll module and
     // php module. But, this time do it with poll module declaring a dependency
@@ -237,11 +237,11 @@ function testDependencyResolution() {
     variable_set('dependency_test', 'version dependency');
     drupal_static_reset('system_rebuild_module_data');
     $result = module_enable(array('forum'));
-    $this->assertTrue($result, t('module_enable() returns the correct value.'));
+    $this->assertTrue($result, 'module_enable() returns the correct value.');
     // Verify that the fake dependency chain was installed.
-    $this->assertTrue(module_exists('poll') && module_exists('php'), t('Dependency chain was installed by module_enable().'));
+    $this->assertTrue(module_exists('poll') && module_exists('php'), 'Dependency chain was installed by module_enable().');
     // Verify that the original module was installed.
-    $this->assertTrue(module_exists('forum'), t('Module installation with version dependencies succeeded.'));
+    $this->assertTrue(module_exists('forum'), 'Module installation with version dependencies succeeded.');
     // Finally, verify that the modules were enabled in the correct order.
     $enable_order = variable_get('test_module_enable_order', array());
     $php_position = array_search('php', $enable_order);
@@ -249,7 +249,7 @@ function testDependencyResolution() {
     $forum_position = array_search('forum', $enable_order);
     $php_before_poll = $php_position !== FALSE && $poll_position !== FALSE && $php_position < $poll_position;
     $poll_before_forum = $poll_position !== FALSE && $forum_position !== FALSE && $poll_position < $forum_position;
-    $this->assertTrue($php_before_poll && $poll_before_forum, t('Modules were enabled in the correct order by module_enable().'));
+    $this->assertTrue($php_before_poll && $poll_before_forum, 'Modules were enabled in the correct order by module_enable().');
   }
 
   /**
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
index 4a728f3e5c69..fcfc39f99eb7 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/ModuleTestBase.php
@@ -45,9 +45,9 @@ function assertTableCount($base_table, $count = TRUE) {
     $tables = db_find_tables(Database::getConnection()->prefixTables('{' . $base_table . '}') . '%');
 
     if ($count) {
-      return $this->assertTrue($tables, t('Tables matching "@base_table" found.', array('@base_table' => $base_table)));
+      return $this->assertTrue($tables, format_string('Tables matching "@base_table" found.', array('@base_table' => $base_table)));
     }
-    return $this->assertFalse($tables, t('Tables matching "@base_table" not found.', array('@base_table' => $base_table)));
+    return $this->assertFalse($tables, format_string('Tables matching "@base_table" not found.', array('@base_table' => $base_table)));
   }
 
   /**
@@ -64,7 +64,7 @@ function assertModuleTablesExist($module) {
         $tables_exist = FALSE;
       }
     }
-    return $this->assertTrue($tables_exist, t('All database tables defined by the @module module exist.', array('@module' => $module)));
+    return $this->assertTrue($tables_exist, format_string('All database tables defined by the @module module exist.', array('@module' => $module)));
   }
 
   /**
@@ -81,7 +81,7 @@ function assertModuleTablesDoNotExist($module) {
         $tables_exist = TRUE;
       }
     }
-    return $this->assertFalse($tables_exist, t('None of the database tables defined by the @module module exist.', array('@module' => $module)));
+    return $this->assertFalse($tables_exist, format_string('None of the database tables defined by the @module module exist.', array('@module' => $module)));
   }
 
   /**
@@ -147,7 +147,7 @@ function assertModules(array $modules, $enabled) {
       else {
         $message = 'Module "@module" is not enabled.';
       }
-      $this->assertEqual(module_exists($module), $enabled, t($message, array('@module' => $module)));
+      $this->assertEqual(module_exists($module), $enabled, format_string($message, array('@module' => $module)));
     }
   }
 
@@ -182,6 +182,6 @@ function assertLogMessage($type, $message, $variables = array(), $severity = WAT
       ->countQuery()
       ->execute()
       ->fetchField();
-    $this->assertTrue($count > 0, t('watchdog table contains @count rows for @message', array('@count' => $count, '@message' => $message)));
+    $this->assertTrue($count > 0, format_string('watchdog table contains @count rows for @message', array('@count' => $count, '@message' => $message)));
   }
 }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/RequiredTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/RequiredTest.php
index fcde5ca9fdbd..1de4535d0cc0 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/RequiredTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/RequiredTest.php
@@ -31,7 +31,7 @@ function testDisableRequired() {
       if (!empty($info['required'])) {
         $field_name = "modules[{$info['package']}][$module][enable]";
         if (empty($info['hidden'])) {
-          $this->assertFieldByXPath("//input[@name='$field_name' and @disabled='disabled' and @checked='checked']", '', t('Field @name was disabled and checked.', array('@name' => $field_name)));
+          $this->assertFieldByXPath("//input[@name='$field_name' and @disabled='disabled' and @checked='checked']", '', format_string('Field @name was disabled and checked.', array('@name' => $field_name)));
         }
         else {
           $this->assertNoFieldByName($field_name);
diff --git a/core/modules/system/lib/Drupal/system/Tests/Module/UninstallTest.php b/core/modules/system/lib/Drupal/system/Tests/Module/UninstallTest.php
index dca3bf37c31c..3345d2f7873f 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Module/UninstallTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Module/UninstallTest.php
@@ -40,6 +40,6 @@ function testUserPermsUninstalled() {
 
     // Are the perms defined by module_test removed from {role_permission}.
     $count = db_query("SELECT COUNT(rid) FROM {role_permission} WHERE permission = :perm", array(':perm' => 'module_test perm'))->fetchField();
-    $this->assertEqual(0, $count, t('Permissions were all removed.'));
+    $this->assertEqual(0, $count, 'Permissions were all removed.');
   }
 }
-- 
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