@Test
public void testCard() {
// if card was created (is not null)
assertNotNull(card);
// if card was created with proper rank
assertEquals(rank3, card.getRank());
// if cards suit is different than another suit
assertNotEquals(suitD, card.getSuit());
// if after change suits match
card.setSuit(suitD);
assertEquals(suitD, card.getSuit());
// if card's String representation is as expected
assertEquals("3♦", card.toString());
}
