Fixed unit test for column, attrs are now set on rect
Fixed unit test for column, attrs are now set on rect

pacozaa/line-chart,n3-charts/line-chart,n3-charts/line-chart,chaosmail/line-chart,chaosmail/line-chart,pacozaa/line-chart,n3-charts/line-chart-vanilla,n3-charts/line-chart-vanilla,pacozaa/line-chart,pacozaa/line-chart,n3-charts/line-chart-vanilla,n3-charts/line-chart-vanilla,chaosmail/line-chart,n3-charts/line-chart,chaosmail/line-chart,chaosmail/line-chart,n3-charts/line-chart,pacozaa/line-chart