refactor getBatchJobInstanceWithData method to be used with both empty and lastProcessedId constructors to reduce duplicative code and improve test method readability
refactor getBatchJobInstanceWithData method to be used with both empty and lastProcessedId constructors to reduce duplicative code and improve test method readability

Zosoled/Cumulus,Zosoled/Cumulus,SalesforceFoundation/Cumulus,Zosoled/Cumulus,SalesforceFoundation/Cumulus,Zosoled/Cumulus,SalesforceFoundation/Cumulus,SalesforceFoundation/Cumulus