assertThat(reader.readLine()).isEqualTo("hello world")
    val request = server.takeRequest()
    assertThat(request.requestLine).isEqualTo("GET / HTTP/1.1")
    assertThat(request.getHeader("Accept-Language")).isEqualTo("en-US")

    // Server has no more requests.
    assertThat(server.takeRequest(100, TimeUnit.MILLISECONDS)).isNull()
  }

  @Test
  fun redirect() {
    server.enqueue(

    val builder =
      MockResponse.Builder()
        .clearHeaders()
        .addHeader("Cookie: s=square")
        .addHeader("Cookie: a=android")
        .addHeader("Cookies: delicious")
    builder.setHeader("cookie", "r=robot")
    assertThat(headersToList(builder)).containsExactly("Cookies: delicious", "cookie: r=robot")
  }

  @Test
  fun mockResponseSetHeaders() {
    val builder =
      MockResponse.Builder()