Automated Project Update Bot fixes

This merge request was automatically created by the Project Update Bot. It contains the changes from run 11-121090.

modules/insert_colorbox/tests/src/FunctionalJavaScript/InsertColorboxTest.php

@@ -9,6 +9,11 @@ namespace Drupal\Tests\insert_colorbox\FunctionalJavascript;
  */
 class InsertColorboxTest extends InsertColorboxTestBase {
 
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
   /**
    *
    */