@Test
public void testRemoveDockerContainer() throws Exception {

  ApplicationId appId = ApplicationId.newInstance(12345, 67890);
  ApplicationAttemptId attemptId =
      ApplicationAttemptId.newInstance(appId, 54321);
  String cid = ContainerId.newContainerId(attemptId, 9876).toString();
  LinuxContainerExecutor lce = mock(LinuxContainerExecutor.class);
  lce.removeDockerContainer(cid);
  verify(lce, times(1)).removeDockerContainer(cid);
}