if (chain.request().url.encodedPath == "/b") {
              val requestA =
                Request.Builder()
                  .url(server.url("/a"))
                  .build()
              try {
                val callbackA = RecordingCallback()
                client.newCall(requestA).enqueue(callbackA)
                callbackA.await(requestA.url).assertBody("a")
              } catch (e: Exception) {

  fun tagsAreImmutable() {
    val builder =
      Request.Builder()
        .url("https://square.com")
    val requestA = builder.tag(String::class.java, "a").build()
    val requestB = builder.tag(String::class.java, "b").build()
    val requestC = requestA.newBuilder().tag(String::class.java, "c").build()
    assertThat(requestA.tag(String::class.java)).isSameAs("a")
    assertThat(requestB.tag(String::class.java)).isSameAs("b")

    server.enqueue(MockResponse(body = "a"))
    server.enqueue(MockResponse(body = "b"))
    val requestA =
      Request.Builder()
        .url(server.url("/"))
        .header("Connection", "close")
        .build()
    val requestB = Request(server.url("/"))
    assertConnectionNotReused(requestA, requestB)
  }

  @Test
  fun connectionsAreNotReusedWithResponseConnectionClose() {
    server.enqueue(

  fun tagsAreImmutable() {
    val builder =
      Request.Builder()
        .url("https://square.com")
    val requestA = builder.tag(String::class, "a").build()
    val requestB = builder.tag(String::class, "b").build()
    val requestC = requestA.newBuilder().tag(String::class, "c").build()
    assertThat(requestA.tag(String::class)).isSameAs("a")
    assertThat(requestB.tag(String::class)).isSameAs("b")