"B",
            "234",
          ),
      ),
    )
    executeSynchronously("/", "A", "345", "A", "456")
      .assertCode(200)
      .assertHeader("B", "123", "234")
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.headers.values("A")).containsExactly("345", "456")
  }

  @Test
  fun repeatedHeaderNames_HTTP_2() {
    enableProtocol(Protocol.HTTP_2)

        .url(server.url("/"))
        .build()
    val timeoutClient =
      client.newBuilder()
        .callTimeout(Duration.ofMillis(456))
        .build()
    val call = timeoutClient.newCall(request)
    assertThat(call.timeout().timeoutNanos())
      .isEqualTo(TimeUnit.MILLISECONDS.toNanos(456))
  }

  @Test
  fun timeoutWritingRequest() {
    server.enqueue(MockResponse())
    val request =
      Request.Builder()

2F9AF         ; mapped                 ; 4561          # 3.1  CJK COMPATIBILITY IDEOGRAPH-2F9AF
2F9B0         ; mapped                 ; 26FB1         # 3.1  CJK COMPATIBILITY IDEOGRAPH-2F9B0
2F9B1         ; mapped                 ; 270D2         # 3.1  CJK COMPATIBILITY IDEOGRAPH-2F9B1
2F9B2         ; mapped                 ; 456B          # 3.1  CJK COMPATIBILITY IDEOGRAPH-2F9B2