1. Run (execute) a test case with Visa.
2. Get used to the interface of ShareLane and Test Portal. Play with it, click links, make test purchases, etc. Remember to only use a credit card from Credit Card Generator. NEVER use actual credit card or other actual personal/financial data during interactions with ShareLane or Test Portal.
3. Create and run test case with MasterCard. Expected result after your query database is 20. What actual result do you get? (Hint: you are going to see a bug).