Added unit tests for BaseFactory
Added unit tests for BaseFactory

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