Conducted regression and sanity testing for the Serving Time and Idle Time report module, addressing the following issues:
- Customer Sequence: The customer sequence in the activity detail section is incorrect and needs adjustment.
- Total Serving Time Exceeded: Incorrect count displayed for customers who exceeded the total serving time.
- Display of Customers Exceeding Average Serving Time: Only customers who crossed the average serving time should be displayed.
- Route Jump Report: Data should be displayed when the Sales Representative performs credit collection outside assigned route streets.
- Refresh the serving time report listing page when a user returns from the detail page. 
- Duplicate Data: Duplicate data appears in the activity details section and needs to be resolved.
- Test Cases: Prepared test cases for Serving Time and Idle Time reports.