assertLessThan(NEW, STARTING);
    assertLessThan(NEW, TERMINATED);

    assertLessThan(STARTING, RUNNING);
    assertLessThan(STARTING, STOPPING);
    assertLessThan(STARTING, FAILED);

    assertLessThan(RUNNING, STOPPING);
    assertLessThan(RUNNING, FAILED);

    assertLessThan(STOPPING, FAILED);
    assertLessThan(STOPPING, TERMINATED);
  }

     * State#FAILED fail}/{@linkplain State#TERMINATED terminate} before all other services have
     * started {@linkplain State#RUNNING running} then this method will not be called.
     */
    public void healthy() {}

    /**
     * Called when the all of the component services have reached a terminal state, either
     * {@linkplain State#TERMINATED terminated} or {@linkplain State#FAILED failed}.
     */

    assertLessThan(NEW, STARTING);
    assertLessThan(NEW, TERMINATED);

    assertLessThan(STARTING, RUNNING);
    assertLessThan(STARTING, STOPPING);
    assertLessThan(STARTING, FAILED);

    assertLessThan(RUNNING, STOPPING);
    assertLessThan(RUNNING, FAILED);

    assertLessThan(STOPPING, FAILED);
    assertLessThan(STOPPING, TERMINATED);
  }

    }

    // Test execute with timeout
    @Test
    public void test_execute_withTimeout() {
        pythonJob.filename("timeout.py");
        pythonJob.timeout = 60; // Set timeout
        pythonJob.processTimeout = true;

        testProcessHelper.exitValue = -1;
        testProcessHelper.processOutput = "Process terminated";

 * \r} or {@code \r\n}, do not include the line separator in each line and do not consider there to
 * be an empty line at the end if the contents are terminated with a line separator.
 *
 * <p>Any {@link ByteSource} containing text encoded with a specific {@linkplain Charset character
 * encoding} may be viewed as a {@code CharSource} using {@link ByteSource#asCharSource(Charset)}.
 *

        thumbnailJob.timeout = 120; // Set timeout
        thumbnailJob.processTimeout = true;

        testProcessHelper.exitValue = -1;
        testProcessHelper.processOutput = "Process terminated";

        String result = thumbnailJob.execute();

        assertNotNull(result);
        assertNotNull(thumbnailJob.sessionId);
        assertTrue(result.contains("Session Id: " + thumbnailJob.sessionId));

        }
      }
      assertThat(service.state()).isNotEqualTo(from);
    }

    @Override
    public synchronized void terminated(State from) {
      assertEquals(from, Iterables.getLast(stateHistory, State.NEW));
      stateHistory.add(State.TERMINATED);
      assertEquals(State.TERMINATED, service.state());
      if (from == State.NEW) {
        try {
          service.awaitRunning();
          fail();

        }
      }
      assertThat(service.state()).isNotEqualTo(from);
    }

    @Override
    public synchronized void terminated(State from) {
      assertEquals(from, Iterables.getLast(stateHistory, State.NEW));
      stateHistory.add(State.TERMINATED);
      assertEquals(State.TERMINATED, service.state());
      if (from == State.NEW) {
        try {
          service.awaitRunning();
          fail();

    TestService service = new TestService();
    service.stopAsync().awaitTerminated();
    assertEquals(0, service.startUpCalled);
    assertEquals(0, service.shutDownCalled);
    assertEquals(Service.State.TERMINATED, service.state());
    assertThat(service.transitionStates).isEmpty();
  }

  public void testStop_afterStart() {
    TestService service = new TestService();
    service.startAsync().awaitRunning();

                        assertFalse(executor.isTerminated());

                        // WAIT #3
                        barrier.await(1, SECONDS);
                        return null;
                      });
              assertTrue(future.isDone());
              assertTrue(executor.isShutdown());
              assertTrue(executor.isTerminated());
              return null;
            });