Fix: Player and PlayerTest Changed

src/main/java/it/polimi/ingsw/gc14/Model/Player.java

@@ -91,18 +91,13 @@ public class Player {
 
         this.PrestigeValue -= Value;
     }
-
-    public void setUserName(String UserName) throws IllegalArgumentException{
-        final int MAXLEN = 32;
-        if(UserName.isEmpty() || UserName.length() > MAXLEN){
-            throw new IllegalArgumentException();
-        }
-        this.UserName = UserName;
-    }
     // End setters
 
     // Constructors
-    public Player(String UserName){
+    public Player(String UserName) throws  IllegalArgumentException {
+        if(UserName.isEmpty() || UserName.length() > 32) {
+            throw new IllegalArgumentException();
+        }
         this.UserName = UserName;
 
         this.inventors = new ArrayList <>();