@Test
  public void returnWinner_CheckForTie_true() {
    RPSGame newGame = new RPSGame();

    assertEquals("Congratulations! You Tied!", newGame.returnWinner(1, 1));
  }
  @Test
  public void returnWinner_CheckForCorrectWinner_true() {
    RPSGame newGame = new RPSGame();

    assertEquals("Congratulations! Paper Wins!", newGame.returnWinner(0, 1));
  }