Fix tests, explicit resource names

[cheeseplus]

Description

Fix ChefSpec tests Use resource_name to set canonical resource name - this doesn't change how the cookbook functions but makes it clearer what the intent is and future migration easier.

Issues Resolved

Fixes the build

Check List

• [x] All tests pass. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/TESTING.MD
• [x] New functionality includes testing.
• [x] New functionality has been documented in the README if applicable
• [x] All commits have been signed for the Developer Certificate of Origin. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/CONTRIBUTING.MD