checkNotNull(methodName);
    checkNotNull(arguments);
    assertEquals(false, invokeMethod("hasQueuedThread", this));
    sendRequest(methodName, arguments);
    Thread.sleep(DUE_DILIGENCE_MILLIS);
    assertEquals(true, invokeMethod("hasQueuedThread", this));
    assertThat(responseQueue.poll()).isNull();
  }

  /**

        field.setAccessible(true);
        return field.get(obj);
    }

    /**
     * Helper method to invoke protected/private method using reflection
     */
    private Object invokeMethod(Object obj, String methodName, Class<?>[] paramTypes, Object... args) throws Exception {
        Method method = obj.getClass().getDeclaredMethod(methodName, paramTypes);
        method.setAccessible(true);

    checkNotNull(methodName);
    checkNotNull(arguments);
    assertEquals(false, invokeMethod("hasQueuedThread", this));
    sendRequest(methodName, arguments);
    Thread.sleep(DUE_DILIGENCE_MILLIS);
    assertEquals(true, invokeMethod("hasQueuedThread", this));
    assertThat(responseQueue.poll()).isNull();
  }

  /**