added NetworkDialogClientTests

testEnterIP -> passes
testEnterPort -> can't be tested in model
testConnectToServer -> passes
testCantConnectToServer -> passes
testCancelJoining -> passes

Projekte/mdga/model/src/main/java/pp/mdga/client/ClientGameLogic.java

@@ -11,6 +11,8 @@
 import pp.mdga.notification.Notification;
 import pp.mdga.notification.StartDialogNotification;
 
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
 import java.util.ArrayList;
 import java.util.UUID;
 
@@ -19,7 +21,7 @@
  * It is responsible for handling the game logic on the client side.
  */
 public class ClientGameLogic implements ServerInterpreter {
-    static final System.Logger LOGGER = System.getLogger(ClientGameLogic.class.getName());
+    static final Logger LOGGER = System.getLogger(ClientGameLogic.class.getName());
 
     private Game game;
     private final ClientSender clientSender;
@@ -53,7 +55,7 @@ public ClientGameLogic(ClientSender clientSender) {
      * @param msg the message to be sent
      */
     public void send(ClientMessage msg) {
-        LOGGER.log(System.Logger.Level.INFO, "send {0}", msg);
+        LOGGER.log(Level.INFO, "send {0}", msg);
         clientSender.send(msg);
     }
 
@@ -581,7 +583,7 @@ public void selectLeave() {
     /**
      * This method calls the selectJoin method of the state
      *
-     * @param ip the ip to cennect to
+     * @param ip the ip to connect to
      */
     public void selectJoin(String ip) {
         state.selectJoin(ip);