Resolve #3455083 "Finish up test"

Closes #3455083

tests/src/FunctionalJavascript/ModuleFilterJavascriptInstallPageTest.php

@@ -23,8 +23,20 @@ class ModuleFilterJavascriptInstallPageTest extends ModuleFilterJavascriptTestBa
     $this->drupalLogin($this->adminUser);
     $this->drupalGet('admin/modules');
     $page = $this->getSession()->getPage();
-    $page->clickLink('Testing');
 
+    // Check that module_filter is under Recently Enabled.
+    $page->clickLink('Recently enabled');
+    $assert->pageTextContains('Module Filter');
+
+    // Install a module from Newly Available tab.
+    $page->clickLink('Newly available');
+    $this->submitForm(['edit-modules-announcements-feed-enable' => TRUE], 'Install');
+
+    // Verify Announcements appears under Recently Enabled.
+    $page->clickLink('Recently enabled');
+    $assert->pageTextContains('Announcements');
+
+    $page->clickLink('Testing');
     // Verify that all the modules used in this test are displayed by default.
     $assert->pageTextContains('Roses');
     $assert->pageTextContains('Banana');