you need to perform regression testin before delivering change request for an application. what are the basis on which you will test casef for the smae code example
Example: how many test case in your regression
It depends on the project.
In my current project out of 1200 test cases
in regression suite around %70 is automation.
We use 6 vm to perform parallelexecution it takes
3 hours to execute depends on the test data.