val webSocket: WebSocket?,
  val body: String?,
  val failure: IOException?,
) {
  fun assertRequestUrl(url: HttpUrl) =
    apply {
      assertThat(request.url).isEqualTo(url)
    }

  fun assertRequestMethod(method: String) =
    apply {
      assertThat(request.method).isEqualTo(method)
    }

  fun assertRequestHeader(
    name: String,
    vararg values: String,
  ) = apply {

          .Builder()
          .add("ETag", "v1")
          .add("Cache-Control", "max-age=60")
          .add("Vary", "Accept-Charset")
          .add("Content-Length", "1")
          .build(),
      ).assertRequestMethod("GET")
      .assertRequestUrl(url)
      .assertRequestHeader("Accept-Language")
      .assertRequestHeader("Accept-Charset", "UTF-8")
      .assertSentRequestAtMillis(request1SentAt, request1ReceivedAt)