@Test
 public void testMoreBlackPieces() {
   Othello o = new Othello();
   o.restart(Piece.BLACK);
   o.move(2, 3);
   assertTrue(o.moreBlackPieces());
 }
 @Test
 public void testPieceFlip() {
   Othello o = new Othello();
   o.restart(Piece.BLACK);
   o.move(2, 3);
   assertEquals(Piece.BLACK, o.getEntry(3, 3));
 }
 @Test
 public void testValidMove() {
   Othello o = new Othello();
   o.restart(Piece.BLACK);
   boolean valid = o.validMove(Piece.BLACK, 2, 3);
   assertTrue(valid);
   valid = o.validMove(Piece.BLACK, 5, 3);
 }
 @Test
 public void testRestart() {
   Othello o = new Othello();
   o.restart(Piece.BLACK);
   assertTrue(o.getTurn().equals(Piece.BLACK));
   assertEquals(o.getEntry(3, 4), Piece.BLACK);
   assertEquals(o.getEntry(3, 3), Piece.WHITE);
 }
 @Test
 public void testCopyConstructor() {
   Othello o1 = new Othello();
   o1.restart(Piece.BLACK);
   Othello o2 = new Othello(o1);
   o2.setTurn(Piece.WHITE);
   assertEquals(Piece.BLACK, o1.getTurn());
   assertEquals(Piece.WHITE, o2.getTurn());
 }
 @Test
 public void testCount() {
   Othello o = new Othello();
   o.restart(Piece.BLACK);
   assertEquals(2, o.count(Piece.WHITE));
 }