proxy: Proxy,
        ) {
          // Let request1 proceed to make a connection.
          latch1.countDown()
          try {
            // Wait until request1 makes the connection and puts it in the connection pool.
            latch2.await()
          } catch (e: InterruptedException) {
            throw AssertionError(e)
          }
        }

        override fun connectionAcquired(

    )

    taskFaker.advanceUntil(540.ms)
    assertEvents(
      "plan 2 TCP connect canceled",
    )

    taskFaker.assertNoMoreTasks()
  }

  /**
   * This test puts several connections in flight that all fail at approximately the same time. It
   * confirms the fast fallback implements these invariants:
   *
   *  * if there's no TCP connect in flight, start one.

  }

  @Test
  fun cancelInFlightBeforeResponseReadThrowsIOE_HTTP_2() {
    enableProtocol(Protocol.HTTP_2)
    cancelInFlightBeforeResponseReadThrowsIOE()
  }

  /**
   * This test puts a request in front of one that is to be canceled, so that it is canceled before
   * I/O takes place.
   */
  @Test
  fun canceledBeforeIOSignalsOnFailure() {
    // Force requests to be executed serially.