Verify that the `renderFunction` exists on the `match` tests
Verify that the `renderFunction` exists on the `match` tests

Template API may change in the future, we don't want tests to pass if
that's the case.

thr0w/meteor-jade,thr0w/meteor-jade,lawrenceAIO/meteor-jade,mquandalle/meteor-jade,lawrenceAIO/meteor-jade,mquandalle/meteor-jade