public void BoardIsValidPopShouldReturnFalseWhenNullBalloonPositionsArePassed()
        {
            var board = new Board(5, 5, this.randomGenerator);

            board[1, 1] = null;

            Assert.IsFalse(board.IsValidPop(1, 1));
        }
        public void BoardIsValidPopShouldReturnTrueWhenExistingValuesAreProvided()
        {
            var board = new Board(5, 5, this.randomGenerator);

            Assert.IsTrue(board.IsValidPop(3, 3));
        }
        public void BoardIsValidPopShouldReturnFalseWhenInvalidArgumentsAreProvided()
        {
            var board = new Board(5, 5, this.randomGenerator);

            Assert.IsFalse(board.IsValidPop(6, 6));
        }