.addHeader("OkHttp-Intercepted", "yep")
        .build()
    }
    val request =
      Request
        .Builder()
        .url(server.url("/"))
        .build()
    val response = client.newCall(request).execute()
    assertThat(response.body.string()).isEqualTo("ABC")
    assertThat(response.header("OkHttp-Intercepted")).isEqualTo("yep")