public RetriableCommand(String description) {
    this.description = description;
  }
@Test
  public void testRetriableCommand() {
    try {
      new MyRetriableCommand(5).execute(0);
      Assert.assertTrue(false);
    }
    catch (Exception e) {
      Assert.assertTrue(true);
    }


    try {
      new MyRetriableCommand(3).execute(0);
      Assert.assertTrue(true);
    }
    catch (Exception e) {
      Assert.assertTrue(false);
    }

    try {
      new MyRetriableCommand(5, RetryPolicies.
          retryUpToMaximumCountWithFixedSleep(5, 0, TimeUnit.MILLISECONDS)).execute(0);
      Assert.assertTrue(true);
    }
    catch (Exception e) {
      Assert.assertTrue(false);
    }
  }