thechiselgroup/biomixer — comment on commit ef14aa39dca6b0aac79558812276ad1bb99e2592
File: biomixer/jretest/org/thechiselgroup/biomixer/client/visualization_component/graph/widget/GraphSvgWidgetTest.java line 58
By lgrammel:

In test cases, it is fine if add method like this one return the created object - this would simplify some tests below (also applies to addArc)