assertThat(a3.isExecuted()).isFalse()
    assertThat(a3.isCanceled()).isTrue()
    assertThat(a4.isExecuted()).isFalse()
    assertThat(a4.isCanceled()).isFalse()
  }

  @Test
  fun idleCallbackInvokedWhenIdle() {
    val idle = AtomicBoolean()
    dispatcher.idleCallback = Runnable { idle.set(true) }
    client.newCall(newRequest("http://a/1")).enqueue(callback)