Audit tests for `package` DSL duplication

After @mcquin's changes in mcquin/controls_group_object all of the audit tests I added here work except for 1 - the final one.

ping @opscode/client-engineers 
Did you look at spec/unit/recipe_spec.rb?

If you want to get creative, you could do something like the `with_plugin` from Ohai: [defined here](https://github.com/opscode/ohai/blob/master/spec/support/integration_helper.rb), [used here](https://github.com/opscode/ohai/blob/master/spec/unit/loader_spec.rb#L40-L55)