Move Subclass to its own file
Add VF_Db inheritance in VF_Tire_MergeValidator for calling VF_Tire_Vehicle classes in method.
Close MySQL connections on tearDown and unset service container after all other teardown calls.
Fix unit tests for VF_Tire module
Refactor VF_Tire_Finder and VF_Tire_FlexibleSearch to use VF_Db inheritance
Refactor tests to utilize the ServiceContainer instead of VF_Singleton call to storeFitInSession
Mass Find and Replace on VF_Singleton::getInstance()->storeFitInSession(); to utilize the ServiceContainer
Mass Find and Replace on VF_Singleton::getInstance() in tests folder to utilize the ServiceContainer instead
Remove getRequest() method from VF_FlexibleSearch because it inherits behavior already from VF_AbstractFinderRequest
Fix failing test due to invalid method call that resets the request upon getting the result.
Rename Flexible Search Clear Methods to State what they actually do more coherently
Fix default loading text check in getValueForSelectedForLevel to check against custom text if it exists