}

      override fun matches(o: Any?): Boolean {
        return (o as Response?)!!.protocol == protocol
      }
    }
  }

  @Test
  fun successfulEmptyH2CallEventSequence() {
    enableTlsWithTunnel()
    server.protocols = Arrays.asList(Protocol.HTTP_2, Protocol.HTTP_1_1)
    server.enqueue(MockResponse())
    assertSuccessfulEventOrder(matchesProtocol(Protocol.HTTP_2))