ExampleClassUnderTest.logger.removeHandler(handler);
          }
        });
  }

  public void test() throws Exception {
    assertTrue(handler.getStoredLogRecords().isEmpty());
    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertEquals("message", record.getMessage());
    assertSame(EXCEPTION, record.getThrown());
  }

    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertEquals(
        "Exception while executing callback: MyListener custom-label",
        logHandler.getStoredLogRecords().get(0).getMessage());
  }

  public void testEnqueueAndDispatch_multithreaded() throws InterruptedException {

    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertEquals(
        "Exception while executing callback: MyListener custom-label",
        logHandler.getStoredLogRecords().get(0).getMessage());
  }

  public void testEnqueueAndDispatch_multithreaded() throws InterruptedException {

        new Formatter() {
          @Override
          public String format(LogRecord record) {
            return formatMessage(record);
          }
        };
    for (LogRecord record : logHandler.getStoredLogRecords()) {
      assertThat(logFormatter.format(record)).doesNotContain("NoOpService");
    }
  }

  public void testStartupFailureOutput() {
    Logger logger = Logger.getLogger(ServiceManager.class.getName());

      if (!result.isCancelled()) {
        result.get(10, SECONDS);
      }
      // TODO(cpovirk): Verify that the cancelled futures are exactly ones that we expect.
    }

    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  public void testAvoidsStackOverflow_manySubmitted() throws Exception {
    SettableFuture<@Nullable Void> settableFuture = SettableFuture.create();

  private Throwable popLoggedThrowable() {
    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertEquals(1, logRecords.size());
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertTrue(logHandler.getStoredLogRecords().isEmpty());
  }

  private void checkLogged(Throwable t) {

  }

  private Throwable popLoggedThrowable() {
    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertEquals(1, logRecords.size());
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  private void checkLoggedCause(Throwable t) {