@Test
public void testClearAllByColor() {
abg.clearAllByColor(Color.WHITE);
assertTrue(abg.getAllPiecesByColor(Color.WHITE).size() == 0);
}
@Test
public void testGetAllByColor() {
ArrayList<GamePiece> game_piece = abg.getAllPiecesByColor(Color.WHITE);
assertTrue(game_piece.size() == 16);
}