public HealthCheck getHealthCheck() {
        return healthCheck;
    }
@Test
    public void fixedDelayAsyncHealthCheckTriggersSuccessfulInstantiationWithFixedDelay() throws Exception {
        HealthCheck asyncHealthCheck = new FixedDelayAsyncHealthCheck();
        AsyncHealthCheckDecorator asyncDecorator = new AsyncHealthCheckDecorator(asyncHealthCheck, mockExecutorService);

        verify(mockExecutorService, times(1)).scheduleWithFixedDelay(any(Runnable.class), eq(0L),
                eq(1L), eq(TimeUnit.SECONDS));
        assertThat(asyncDecorator.getHealthCheck()).isEqualTo(asyncHealthCheck);
    }