val inputStream = response.body.byteStream()
    assertThat(inputStream.read().toChar()).isEqualTo('A')
    call.cancel()
    assertFailsWith<IOException> {
      // Reading 'B' may succeed if it's buffered.
      inputStream.read()

      // But 'C' shouldn't be buffered (the response is throttled) and this should fail.
      inputStream.read()
    }
    inputStream.close()
  }

    assertFailsWith<InterruptedIOException> {
      // If this succeeds, too many requests were made.
      client.newCall(request).execute()
    }
  }

  /**
   * Make a request with two routes. The first route will time out because it's connecting to a
   * special address that never connects. The automatic retry will succeed.
   */
  @Test
  fun connectTimeoutsAttemptsAlternateRoute() {

  }

  /** @return the request with the conditional get headers. */
  private fun assertConditionallyCached(response: MockResponse): RecordedRequest {
    // scenario 1: condition succeeds
    server.enqueue(
      response.newBuilder()
        .body("A")
        .status("HTTP/1.1 200 A-OK")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()