public void TestDeclineTrade()
 {
     var player1 = new Player();
     var player2 = new Player();
     player1.incrementCities();
     player1.generateOre();
     player2.incrementCities();
     player2.generateBrick();
     int[] player1Hand = new int[] {2, 0, 0, 0, 0};
     int[] player2Hand = new int[] {0, 0, 0, 0, 2};
     player1.proposeTrade(player2, player1Hand, player2Hand);
     player2.declineTrade();
 }