Issue #2815301 by Chi, DanielVeza, kostyashupenko, smustgrave: Allow to create...

Issue #2815301 by Chi, DanielVeza, kostyashupenko, smustgrave: Allow to create any kind of actions through UI

core/modules/action/src/Form/ActionAdminManageForm.php

@@ -53,9 +53,7 @@ public function getFormId() {
   public function buildForm(array $form, FormStateInterface $form_state) {
     $actions = [];
     foreach ($this->manager->getDefinitions() as $id => $definition) {
-      if (is_subclass_of($definition['class'], '\Drupal\Core\Plugin\PluginFormInterface')) {
-        $actions[$id] = $definition['label'];
-      }
+      $actions[$id] = $definition['label'];
     }
     asort($actions);
     $form['parent'] = [

core/modules/action/tests/src/Functional/ActionListTest.php

@@ -16,7 +16,7 @@ class ActionListTest extends BrowserTestBase {
    *
    * @var array
    */
-  protected static $modules = ['action'];
+  protected static $modules = ['action', 'user'];
 
   /**
    * {@inheritdoc}
@@ -39,4 +39,13 @@ public function testEmptyActionList() {
     $this->assertSession()->pageTextContains('There are no actions yet.');
   }
 
+  /**
+   * Tests that non-configurable actions can be created by the UI.
+   */
+  public function testNonConfigurableActionsCanBeCreated() {
+    $this->drupalLogin($this->drupalCreateUser(['administer actions']));
+    $this->drupalGet('/admin/config/system/actions');
+    $this->assertSession()->elementExists('css', 'select > option[value="user_block_user_action"]');
+  }
+
 }