Use wrapperComponent instead of div to test find/scry methods
Use wrapperComponent instead of div to test find/scry methods

As of react 0.14, find/scry test methods cannot be passed a primitive component.

evanweible-wf/react-dart,evanweible-wf/react-dart,cleandart/react-dart,evanweible-wf/react-dart,cleandart/react-dart,cleandart/react-dart,cleandart/react-dart,evanweible-wf/react-dart