def setUp(self) -> None:
fen = "8/8/8/8/8/8/8/8 w KQkq - 0 1"
self.chess_game = ChessGame(fen=fen) # empty board
self.chess_game.board[0][0] = Queen(self.chess_game, Color.WHITE, 0, 0)
self.chess_game.board[3][3] = Queen(self.chess_game, Color.BLACK, 3, 3)
self.chess_game.board[1][3] = King(self.chess_game, Color.BLACK, 1, 3)