.dispatcher(dispatcher)
      .eventListenerFactory(clientTestRule.wrap(listener))
      .build()

  @BeforeEach
  fun setUp() {
    dispatcher.maxRequests = 20
    dispatcher.maxRequestsPerHost = 10
    listener.forbidLock(dispatcher)
  }

  @Test
  fun maxRequestsZero() {
    assertFailsWith<IllegalArgumentException> {
      dispatcher.maxRequests = 0
    }
  }

  @Test
  fun maxPerHostZero() {