add assert

fh.fd.ci.server/src/test/java/de/fd/fh/server/game/GameServiceTest.java

@@ -9,8 +9,10 @@ class GameServiceTest
     @Test
     void testCreateGame()
     {
-        final Game gaem = new Game();
+        final Game game = new Game();
 
         final Game result = new GameService().createGame();
+
+        assertNotNull(result);
     }
 }