Rearranging tests structure
Addressing the CommonFixure class
Modifying the Style-Cop settings

The ordering setting is not necessary, so it was removed.
Code cleanup
Refactoring

This commit refactored the AutoDataTheoryAttribute and
AutoDataTheoryCommand classes.
Deleting unnecessary style-cop file
Restructuring the acceptance test
Code cleanup
Code cleanup for shorten qualified reference
Code cleanup and refactoring