delegate.set(5);
    assertThat(future.setFuture(delegate)).isTrue();
    assertSuccessful(future, 5);
  }

  public void testSetFutureDelegateLaterSuccessful() throws Exception {
    assertThat(future.setFuture(delegate)).isTrue();
    delegate.set(6);
    assertSuccessful(future, 6);
  }

  public void testSetFutureDelegateAlreadyCancelled() throws Exception {

    val call = client.newCall(request)
    call.enqueue(callback)
    val cloned = call.clone()
    cloned.enqueue(callback)
    val firstResponse = callback.await(request.url).assertSuccessful()
    val secondResponse = callback.await(request.url).assertSuccessful()
    val bodies: MutableSet<String?> = LinkedHashSet()
    bodies.add(firstResponse.body)
    bodies.add(secondResponse.body)
    assertThat(bodies).contains("abc")