def test_is_board_empty(self):
        board = Board(8, 8)
        self.assertTrue(board.is_board_empty())

        board.click(random.randint(0, 6), random.randint(0, 6))
        self.assertFalse(board.is_board_empty())
    def test_board_empty_flag_click(self):
        board = Board()
        board.flag_click(0, 0)

        self.assertTrue(board.is_board_empty())
    def test_board_not_empty_click(self):
        board = Board()
        board.click(0, 0)

        self.assertFalse(board.is_board_empty())
 def test_board_init_empty(self):
     board = Board()
     self.assertTrue(board.is_board_empty())