DockerContainerDeletionTask extends DeletionTask implements Runnable { public String getContainerId() { return containerId; } DockerContainerDeletionTask(DeletionService deletionService,
      String user, String containerId);  DockerContainerDeletionTask(int taskId,
      DeletionService deletionService, String user, String containerId); String getContainerId(); @Override void run(); @Override String toString(); DeletionServiceDeleteTaskProto convertDeletionTaskToProto();  }
@Test public void testGetContainerId() { assertEquals(CONTAINER_ID, deletionTask.getContainerId()); }