* move set_module_args to units.modules.utils
* unit tests: reuse set_module_args
* unit tests: mock exit/fail_json in module.utils.ModuleTestCase
* unit tests: use module.utils.ModuleTestCase
* unit tests: fix 'import shadowed by loop variable'
* Squashing all commits to one as suggested by John
* Adding Unit test method for the module enos_facts.py
* Pep8 and Ylint issues addressed
* Trying again to remove blank line. Some scripts are required for this.
* Bug Fixing for interfaces
* Editing for over indenting issue
* E203 whitespace before ','
* Update enos.py
Added warnings argument as to check_args method
* Update enos_facts.py
Added warnings to check_args method