Issue #1875098 by tim.plunkett: Fixed Edit's processed text editor plugins bleed into test runs

core/modules/edit/lib/Drupal/edit/Plugin/ProcessedTextEditorManager.php

@@ -9,6 +9,7 @@
 
 use Drupal\Component\Plugin\PluginManagerBase;
 use Drupal\Component\Plugin\Factory\DefaultFactory;
+use Drupal\Component\Plugin\Discovery\ProcessDecorator;
 use Drupal\Core\Plugin\Discovery\AlterDecorator;
 use Drupal\Core\Plugin\Discovery\AnnotatedClassDiscovery;
 use Drupal\Core\Plugin\Discovery\CacheDecorator;
@@ -23,9 +24,23 @@ class ProcessedTextEditorManager extends PluginManagerBase {
    */
   public function __construct() {
     $this->discovery = new AnnotatedClassDiscovery('edit', 'processed_text_editor');
+    $this->discovery = new ProcessDecorator($this->discovery, array($this, 'processDefinition'));
     $this->discovery = new AlterDecorator($this->discovery, 'edit_wysiwyg');
     $this->discovery = new CacheDecorator($this->discovery, 'edit:wysiwyg');
     $this->factory = new DefaultFactory($this->discovery);
   }
 
+  /**
+   * Overrides Drupal\Component\Plugin\PluginManagerBase::processDefinition().
+   */
+  public function processDefinition(&$definition, $plugin_id) {
+    parent::processDefinition($definition, $plugin_id);
+
+    // @todo Remove this check once http://drupal.org/node/1780396 is resolved.
+    if (!module_exists($definition['module'])) {
+      $definition = NULL;
+      return;
+    }
+  }
+
 }

core/modules/edit/tests/modules/lib/Drupal/edit_test/Plugin/edit/processed_text_editor/TestProcessedEditor.php

@@ -16,7 +16,8 @@
  *
  * @Plugin(
  *   id = "test_processed_editor",
- *   title = @Translation("Test Processed Editor")
+ *   title = @Translation("Test Processed Editor"),
+ *   module = "edit_test"
  * )
  */
 class TestProcessedEditor extends ProcessedTextEditorBase {