MockResponse(
        body = "a",
        socketPolicy = ShutdownOutputAtEnd,
      ),
    )
    server.enqueue(MockResponse(body = "b"))

    val requestA = Request(server.url("/"))
    val responseA = client.newCall(requestA).execute()

    assertThat(responseA.body.string()).isEqualTo("a")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

    // Give the socket a chance to become stale.