waiter2.join();
  }

  public void testRemoveWaiter_polling() throws Exception {
    AbstractFuture<String> future = new AbstractFuture<String>() {};
    WaiterThread waiter = new WaiterThread(future);
    waiter.start();
    waiter.awaitWaiting();
    PollingThread poller = new PollingThread(future);
    poller.start();
    PollingThread poller2 = new PollingThread(future);
    poller2.start();

    waiter2.join();
  }

  public void testRemoveWaiter_polling() throws Exception {
    AbstractFuture<String> future = new AbstractFuture<String>() {};
    WaiterThread waiter = new WaiterThread(future);
    waiter.start();
    waiter.awaitWaiting();
    PollingThread poller = new PollingThread(future);
    poller.start();
    PollingThread poller2 = new PollingThread(future);
    poller2.start();

errors.failed_to_upload_protwords_file = Failed to upload a protwords file.
errors.failed_to_download_stopwords_file = Failed to download a stopwords file.
errors.failed_to_upload_stopwords_file = Failed to upload a stopwords file.
errors.failed_to_download_elevate_file = Failed to download an elevate word file.
errors.failed_to_upload_elevate_file = Failed to upload an elevate word file.

errors.failed_to_upload_protwords_file = Failed to upload a protwords file.
errors.failed_to_download_stopwords_file = Failed to download a stopwords file.
errors.failed_to_upload_stopwords_file = Failed to upload a stopwords file.
errors.failed_to_download_elevate_file = Failed to download an elevate word file.
errors.failed_to_upload_elevate_file = Failed to upload an elevate word file.

	if err := DB.Migrator().DropTable(allModels...); err != nil {
		t.Fatalf("Failed to drop table, got error %v", err)
	}

	if err := DB.AutoMigrate(allModels...); err != nil {
		t.Fatalf("Failed to auto migrate, got error %v", err)
	}

	if tables, err := DB.Migrator().GetTables(); err != nil {
		t.Fatalf("Failed to get database all tables, but got error %v", err)
	} else {

        Exception cause = new RuntimeException("Token validation failed");
        SsoLoginException exception = new SsoLoginException(message, cause);

        assertEquals(message, exception.getMessage());
        assertNotNull(exception.getCause());
        assertEquals(cause, exception.getCause());
        assertEquals("Token validation failed", exception.getCause().getMessage());
    }

    @Test

                .execute()) {
            if (response.getHttpStatusCode() != 200 && response.getHttpStatusCode() != 201) {
                logger.warn("Failed to send heartbeat: status={}", response.getHttpStatusCode());
            }
        } catch (final Exception e) {
            logger.debug("Failed to send heartbeat.", e);
        }
    }

    /**
     * Removes the heartbeat document for this instance from OpenSearch.
     */

                    }, e -> {
                        logger.warn("Failed to open index: {}", docIndex, e);
                        coordinator.completeOperation("reload_doc_index");
                    }));
                }, e -> {
                    logger.warn("Failed to close index: {}", docIndex, e);
                    coordinator.completeOperation("reload_doc_index");

    assertLessThan(NEW, TERMINATED);

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

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

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

  private static <T extends Comparable<? super T>> void assertLessThan(T a, T b) {

    // Due to the implementation of the two services we know that both are now failed.  So the
    // following awaitHealthy call is just to get the exception.
    manager.startAsync();
    assertThat(manager.servicesByState().get(State.FAILED)).hasSize(2);
    IllegalStateException e = assertThrows(IllegalStateException.class, manager::awaitHealthy);
    assertThat(e)