) {
    testConnection(TlsInstance(provider, protocol, tlsVersion, socketMode, tlsExtensionMode))
  }

  private fun testConnection(socketMode: SocketMode) {
    // https://github.com/square/okhttp/pull/6554
    assumeFalse(
      socketMode is TlsInstance &&
        socketMode.socketMode == Channel &&
        socketMode.protocol == HTTP_2 &&
        socketMode.tlsExtensionMode == STANDARD,
      "failing for channel and h2",