.build(),
    )
    val call = client.newCall(Request(server.url("/")))
    val response = call.execute()
    assertThat(response.header("a\tb")).isEqualTo("c")
  }

  @Test
  fun connectFails() {
    server.shutdown()
    executeSynchronously("/")
      .assertFailure(IOException::class.java)
  }

  @Test
  fun requestBodySurvivesRetries() {
    server.enqueue(MockResponse())