@Test
public void testGetPieceNull() {
Piece piece = board.getPiece(5, 5);
assertNull(piece);
}
@Test
public void testPieceColour() {
Piece piece = board.getPiece(4, 1);
assertEquals(white, piece.getColour());
}
@Test
public void testGetPieceNotNull() {
Piece piece = board.getPiece(4, 1);
assertNotNull(piece);
}