small change

OGP1718-Worms/src/worms/model/Team.java

@@ -58,10 +58,10 @@ public class Team {
 	    if (!canHaveAsWorm(worms)) throw new  IllegalArgumentException();
 
 	    Collection<Worm> wormCollection = getAllWormsOfTeam();
-
-        Arrays.stream(worms).forEach(w -> w.setTeam(this));
-
-	    getAllWormsOfTeam().addAll(Arrays.asList(worms));
+        Arrays.stream(worms).forEach(w -> {
+            w.setTeam(this);
+            wormCollection.add(w);
+        });
 	}
 	
 	/**