  void expectNoProtocol() {
    expectHandshakeSuccess();
    EXPECT_EQ(client->nextProtoLength, 0);
    EXPECT_EQ(server->nextProtoLength, 0);
    EXPECT_EQ(client->nextProto, nullptr);
    EXPECT_EQ(server->nextProto, nullptr);
  }
  void expectNoProtocol() {
    expectHandshakeSuccess();
    EXPECT_EQ(client->nextProtoLength, 0);
    EXPECT_EQ(server->nextProtoLength, 0);
    EXPECT_EQ(client->nextProto, nullptr);
    EXPECT_EQ(server->nextProto, nullptr);
  }