Issue #3412061: Permissions filter test

Closes #3412061

tests/src/FunctionalJavascript/ModuleFilterJavascriptPermissionsTest.php

@@ -33,6 +33,7 @@ class ModuleFilterJavascriptPermissionsTest extends ModuleFilterJavascriptTestBa
     // works on the module's readable name.
     $page->fillField('edit-text', 'ses');
     $this->waitForNoText('Banana');
+    $assert->waitForText('Roses');
     $assert->pageTextContains('Roses');
     $assert->pageTextContains('Buy flowers');
     $assert->pageTextContains('Send flowers');
@@ -45,6 +46,7 @@ class ModuleFilterJavascriptPermissionsTest extends ModuleFilterJavascriptTestBa
     // text of the permission and that the module name is also shown.
     $page->fillField('edit-text', 'rui');
     $this->waitForNoText('Roses');
+    $assert->waitForText('Banana');
     $assert->pageTextNotContains('Roses');
     $assert->pageTextNotContains('Buy flowers');
     $assert->pageTextNotContains('Send flowers');
@@ -73,6 +75,7 @@ class ModuleFilterJavascriptPermissionsTest extends ModuleFilterJavascriptTestBa
     $assert->pageTextContains('Send flowers to Panama');
     $assert->pageTextContains('Banana');
     $assert->pageTextContains('Buy fruit');
+    $this->createScreenshot(\Drupal::root() . '/sites/default/files/simpletest/screen1.png');
 
   }