Cron example

      if ($method_calls < self::REQUEUE_COUNT) {
        \Drupal::state()->set('cron_test.requeue_count', $method_calls + 1);
        throw new RequeueException();
      }
    });

    // Set the mock queue worker manager to return the definition/plugin.     $queue_worker_manager->getDefinitions()->willReturn([$queue_worker => $queue_worker_definition]);
    $queue_worker_manager->createInstance($queue_worker)->willReturn($queue_worker_plugin->reveal());

    // Construct the Cron class to test.     $this->cron = new Cron($module_handler->reveal(), $lock_backend->reveal(), $queue_factory->reveal(), $state->reveal(), $account_switcher->reveal(), $logger->reveal(), $queue_worker_manager->reveal(), $time->reveal(), $queueConfig);
  }

  /** * Resets the testing state. */
  protected function resetTestingState() {
    $this->queue->deleteQueue();
    $this->state->set('cron_test.message_logged', FALSE);
    $this->state->set('cron_test.requeue_count', NULL);
  }