val response2 = responses.take()
    assertThat(response2).isEqualTo("DEF")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(1)
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

    // Let the first request proceed. It should discard the the held HTTP/2 connection and get a new
    // one.
    latch.countDown()
    val response3 = responses.take()
    assertThat(response3).isEqualTo("ABC")

    setUp(parameters.first, parameters.second)
    // Add an uncommitted entry. This will get detected on initialization, and the cache will
    // attempt to delete the file. Do not explicitly close the cache here so the entry is left as
    // incomplete.
    val creator = cache.edit("k1")!!
    creator.newSink(0).buffer().use {
      it.writeUtf8("Hello")
    }

    // Simulate a severe Filesystem failure on the first initialization.

    assertThat(rstStream.streamId).isEqualTo(2)
    assertThat(rstStream.errorCode).isEqualTo(ErrorCode.CANCEL)
  }

  /**
   * When writing a set of headers fails due to an `IOException`, make sure the writer is left
   * in a consistent state so the next writer also gets an `IOException` also instead of
   * something worse (like an [IllegalStateException].
   *
   *
   * See https://github.com/square/okhttp/issues/1651
   */