Make yml_template spec less fragile
Make yml_template spec less fragile

When we compare generated JSON strings, the comparison can fail because
of whitespace differences. But this doesn’t necessarily indicate
incorrect JSON. So compare the parsed Hashs.

Also this allows us to have pretty human readable JSON in our fixtures
while generating plain JSON in our code.

envato/stack_master,bulletproofnetworks/stack_master,bulletproofnetworks/stack_master,bulletproofnetworks/stack_master,envato/stack_master