Add spec for template_block caching
Add spec for template_block caching

This spec was just a duplicate of the template_opts caching, so
I'm guessing it was supposed to be for template_block, but the
changes were not made.

duykhoa/roda,mikz/roda,celsworth/roda,Freaky/roda,jeremyevans/roda,Freaky/roda,Freaky/roda,johan--/roda,duykhoa/roda,jeremyevans/roda,mikz/roda,johan--/roda,kematzy/roda,johan--/roda,jeremyevans/roda,celsworth/roda,mikz/roda,celsworth/roda,kematzy/roda,kematzy/roda,duykhoa/roda