@Test
 public void deserializeOnePlayerInHighScoreList() {
   _scores = SerializePlayerInformation.retrievePlayerHighScoreInformation("testOnePlayer.dat");
   assertEquals(1, _scores.size());
   PlayerHighScoreInformation player1 = _scores.get(0);
   assertEquals(50, player1.getPlayerScore());
   assertEquals("ATM", player1.getPlayerInitials());
 }
 @Test
 public void deserializeMultiplePlayersInHighScoreList() {
   _scores =
       SerializePlayerInformation.retrievePlayerHighScoreInformation("testMultiplePlayer.dat");
   assertEquals(2, _scores.size());
   PlayerHighScoreInformation player1 = _scores.get(1);
   assertEquals(51, player1.getPlayerScore());
   assertEquals("ATM", player1.getPlayerInitials());
 }