],
];
- $base_directory = \Drupal::root() . '/core/modules/system/tests/modules/plugin_test/src';
+ $base_directory = $this->root . '/core/modules/system/tests/modules/plugin_test/src';
$root_namespaces = new \ArrayObject(['Drupal\plugin_test' => $base_directory]);
$this->discovery = new AnnotatedClassDiscovery('Plugin/plugin_test/custom_annotation', $root_namespaces, 'Drupal\plugin_test\Plugin\Annotation\PluginExample');