listener.forbidLock(dispatcher)
  }

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

  @Test
  fun maxPerHostZero() {
    assertFailsWith<IllegalArgumentException> {
      dispatcher.maxRequestsPerHost = 0
    }
  }

  @Test
  fun enqueuedJobsRunImmediately() {