@Test(expected = IllegalArgumentException.class)
    public void testCreateAllPossibleHandsNullHand() {
        FiveCardBoard board = new FiveCardBoard();
        board.addCard(new Card(Suit.DIAMOND, Rank.DEUCE));
        board.addCard(new Card(Suit.SPADE, Rank.DEUCE));
        board.addCard(new Card(Suit.HEART, Rank.ACE));
        board.addCard(new Card(Suit.DIAMOND, Rank.THREE));
        board.addCard(new Card(Suit.DIAMOND, Rank.NINE));           
        
        PossibleHandsCreator creator = new PossibleHandsCreator(null, board);        
    }