...sValidationTest.php => ConfigurationUiTest.php} | 65 +++++-----------------
 1 file changed, 13 insertions(+), 52 deletions(-)

diff --git a/tests/src/FunctionalJavascript/FormatsValidationTest.php b/tests/src/FunctionalJavascript/ConfigurationUiTest.php
similarity index 53%
rename from tests/src/FunctionalJavascript/FormatsValidationTest.php
rename to tests/src/FunctionalJavascript/ConfigurationUiTest.php
index 65d8c78..2244a60 100644
--- a/tests/src/FunctionalJavascript/FormatsValidationTest.php
+++ b/tests/src/FunctionalJavascript/ConfigurationUiTest.php
@@ -6,31 +6,20 @@ use Drupal\editor\Entity\Editor;
 use Drupal\filter\Entity\FilterFormat;
 
 /**
- * Tests ckeditor integration.
+ * Tests text format & text editor configuration UI validation.
  *
  * @group entity_embed
  */
-class FormatsValidationTest extends EntityEmbedTestBase {
+class ConfigurationUiTest extends EntityEmbedTestBase {
 
   /**
    * {@inheritdoc}
    */
   protected static $modules = [
-    'field_ui',
-    'node',
     'ckeditor',
-    'views',
     'entity_embed',
-    'entity_embed_test',
   ];
 
-  /**
-   * The test button.
-   *
-   * @var Drupal\embed\Entity\EmbedButton
-   */
-  protected $button;
-
   /**
    * The test administrative user.
    *
@@ -38,79 +27,51 @@ class FormatsValidationTest extends EntityEmbedTestBase {
    */
   protected $adminUser;
 
-  /**
-   * A test node to be used for embedding.
-   *
-   * @var \Drupal\node\NodeInterface
-   */
-  protected $node;
-
   /**
    * {@inheritdoc}
    */
   protected function setUp() {
     parent::setUp();
 
-    // Create a page content type.
-    $this->drupalCreateContentType([
-      'type' => 'page',
-      'name' => 'Basic page',
-    ]);
-
     $this->adminUser = $this->drupalCreateUser([
-      'access administration pages',
       'administer filters',
-      'administer display modes',
-      'administer embed buttons',
-      'administer site configuration',
-      'administer display modes',
-      'administer content types',
-      'administer node display',
-      'access content',
-      'create page content',
-      'edit own page content',
     ]);
 
     $this->drupalLogin($this->adminUser);
   }
 
   /**
-   * Test integration with Filter and Editor form validation.
+   * Test integration with Filter and Text Editor form validation.
    */
-  public function testFormatsValidation() {
+  public function testValidationWhenAdding() {
     $this->drupalGet('admin/config/content/formats/add');
 
+    // Enable the `filter_html` and `entity_embed` filters, and select CKEditor
+    // as the text editor.
     $page = $this->getSession()->getPage();
-
     $page->fillField('name', 'Test Format');
-
-
     $page->checkField('filters[filter_html][status]');
     $page->checkField('filters[entity_embed][status]');
     $page->selectFieldOption('editor[editor]', 'ckeditor');
-    $page->waitFor(10, function () use ($page) {
-      return $page->hasField('filters[filter_html][status]');
-    });
-    $page->checkField('filters[filter_html][status]');
-    $page->checkField('filters[entity_embed][status]');
 
+    // Verify that after dragging the Entity Embed CKEditor plugin button into
+    // the active toolbar, the <drupal-entity> tag is allowed, as well as some
+    // attributes.
     $target = $this->assertSession()->waitForElementVisible('css', 'ul.ckeditor-toolbar-group-buttons');
-    $buttonElement = $this->assertSession()->elementExists('xpath', '//li[@data-drupal-ckeditor-button-name="test_media_entity_embed"]');
-    $buttonElement->dragTo($target);
+    $button_element = $this->assertSession()->elementExists('xpath', '//li[@data-drupal-ckeditor-button-name="test_media_entity_embed"]');
+    $button_element->dragTo($target);
 
-    // Verify the <drupal-entity> tag is not yet allowed.
+    // Unfortunately the <drupal-entity> tag is not yet allowed due to
+    // https://www.drupal.org/project/drupal/issues/2763075.
     $allowed_html = $this->assertSession()->fieldExists('filters[filter_html][settings][allowed_html]')->getValue();
     $this->assertNotContains('drupal-entity', $allowed_html);
 
     $this->assertSession()->buttonExists('Save configuration')->press();
-
     $page->fillField('format', 'test_format');
-
     $this->assertSession()->buttonExists('Save configuration')->press();
 
     $this->assertSession()->pageTextNotContains('Added text format Test Format.');
     $this->assertSession()->pageTextContains('The Media Entity Embed button requires <drupal-entity> among the allowed HTML tags.');
-
   }
 
 }