.addHeader("content-type: text/plain")
        .addHeader("content-length", "3")
        .build(),
    )
    val sentAt = System.currentTimeMillis()
    val recordedResponse = executeSynchronously("/", "User-Agent", "SyncApiTest")
    val receivedAt = System.currentTimeMillis()
    recordedResponse.assertCode(200)
      .assertSuccessful()
      .assertHeaders(
        Headers.Builder()