server.enqueue(MockResponse())
    val call = client.newCall(Request(server.url("/")))
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("")
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.headers[":authority"]).isEqualTo("privateobject.com")
  }

  private fun gzip(bytes: String): Buffer {
    val bytesOut = Buffer()
    val sink = GzipSink(bytesOut).buffer()

 *  New: MockWebServer now supports client authentication (mutual TLS). Call `requestClientAuth()`
    to permit an optional client certificate or `requireClientAuth()` to require one.
 *  New: `RecordedRequest.getHandshake()` returns the HTTPS handshake of a request sent to
    `MockWebServer`.
 *  Fix: Honor the `MockResponse` header delay in MockWebServer.