/** Exercise the cache format in OkHttp 2.7 and all earlier releases.  */
  @Test
  fun testGoldenCacheHttpsResponseOkHttp27() {
    val url = server.url("/")
    val urlKey = key(url)
    val prefix = get().getPrefix()
    val entryMetadata =
      """
      $url
      GET
      0
      HTTP/1.1 200 OK
      4
      Content-Length: 3
      $prefix-Received-Millis: ${System.currentTimeMillis()}