Add tests for the tcp server/client

src/service/tcpserver.h

@@ -16,6 +16,8 @@ public:
 	TcpServer(QObject* parent = nullptr);
 	virtual  bool launch(const QHostAddress &address = QHostAddress::Any, quint16 port = 0) override;
 	virtual void sendJson(const QJsonObject& json) override;
+	quint16 getServerPort() const { return server.serverPort(); }
+	bool isListening() const { return server.isListening(); }
 
 signals:
 	void sigRequestSave();