anchor.diff:  
         // THEN
         var expected = riskGameFortification();
  +      expected.events.addAll([//
  +        new ArmyMoved()
  +            ..playerId = 1
  +            ..from = "western_australia"
  +            ..to = "new_guinea"
  +            ..armies = 2, //
  +        new NextPlayer()
  +            ..playerId = 2
  +            ..reinforcement = 3]);
         expected.countries["western_australia"].armies -= 2;
         expected.countries["new_guinea"].armies += 2;
   
  
positive.code:         };
  
          expectEquals(engine.game, expected);
          return expectEvents([new ArmyPlaced()
                ..playerId = 2
                ..country = "eastern_australia", new SetupEnded(), new NextPlayer(
                    )
                ..playerId = 0
                ..reinforcement = 3]);
        });
      });
  
  
negative.code:       expected.players[2].reinforcement = 35;
  
        expectEquals(engine.game, expected);
        return expectEvents(expected.events);
      });
  
      skip_test('should NOT start game when it is not the master player', () {
  