anchor.diff:  
           // THEN
           var expected = riskGameSetuping();
  +        expected.events.addAll([//
  +          new ArmyPlaced()
  +              ..playerId = 2
  +              ..country = "eastern_australia", new SetupEnded(), new NextPlayer(
  +                  )
  +              ..playerId = 0
  +              ..reinforcement = 3]);
           expected.countries["eastern_australia"] = new CountryStateImpl(
               "eastern_australia", playerId: 2, armies: 1);
   
  
positive.code:       expected.players[2].reinforcement = 3;
        expected.turnStep = RiskGameState.TURN_STEP_REINFORCEMENT;
  
        var expectedEvents = [new ArmyMoved()
              ..playerId = 1
              ..from = "western_australia"
              ..to = "new_guinea"
              ..armies = 2, new NextPlayer()
              ..playerId = 2
              ..reinforcement = 3];
  
        expectEquals(engine.game, expected);
        return expectEvents(expectedEvents);
      });
  
      var errorCases = {
  
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', () {
  