maven compiles all tests independetly of which tests are run

src/test/java/oving5/card/CardComparatorTest.java.unimplemented

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+package oving5.card;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+public class CardComparatorTest {
+
+	private Card s1;
+	private Card h1;
+	private Card d1;
+	private Card c1;
+	private Card s13;
+	private Card h13;
+	private Card d13;
+	private Card c13;
+	private Collection<Card> expected;
+	private List<Card> cards;
+
+	private static void testCards(Collection<Card> actualCards, Collection<Card> expectedCards) {
+		Iterator<Card> actual = actualCards.iterator();
+		Iterator<Card> expected = expectedCards.iterator();
+
+		while (expected.hasNext()) {
+			assertTrue(actual.hasNext());
+
+			Card actualCard = actual.next();
+			Card expectedCard = expected.next();
+			assertEquals(expectedCard.getSuit(), actualCard.getSuit(), String.format(
+					"The card deck should have been %s, but was %s", expectedCards, actualCards));
+			assertEquals(expectedCard.getFace(), actualCard.getFace(), String.format(
+					"The card deck should have been %s, but was %s", expectedCards, actualCards));
+		}
+	}
+
+	@BeforeEach
+	public void setUp() {
+		s1 = new Card('S', 1);
+		h1 = new Card('H', 1);
+		d1 = new Card('D', 1);
+		c1 = new Card('C', 1);
+		s13 = new Card('S', 13);
+		h13 = new Card('H', 13);
+		d13 = new Card('D', 13);
+		c13 = new Card('C', 13);
+		cards = new ArrayList<>(List.of(s1, s13, h1, h13, d1, d13, c1, c13));
+	}
+
+	@Test
+	@DisplayName("Check that the deck is sorted with aces as the lowest")
+	public void testNormal() {
+		expected = List.of(c1, c13, d1, d13, h1, h13, s1, s13);
+		cards.sort(new CardComparator(false, ' '));
+		CardComparatorTest.testCards(cards, expected);
+	}
+
+	@Test
+	@DisplayName("Check that the deck is sorted with aces as the highest")
+	public void testAceIsHighest() {
+		expected = List.of(c13, c1, d13, d1, h13, h1, s13, s1);
+		cards.sort(new CardComparator(true, ' '));
+		CardComparatorTest.testCards(cards, expected);
+	}
+
+	@Test
+	@DisplayName("Check that the deck is sorted correctly with diamonds as trump")
+	public void testDiamondIsTrump() {
+		expected = List.of(c1, c13, h1, h13, s1, s13, d1, d13);
+		cards.sort(new CardComparator(false, 'D'));
+		CardComparatorTest.testCards(cards, expected);
+	}
+}