It looks good.
Run WDV with the current customized tests for approximately 36 hours.
If there are no BSOD during this time period then that will complete the testing.
The tool can be turned off.
You can continue using Microsoft defender or reinstall Bitdefender.
Also the software that had been uninstalled can be reinstalled once you're comfortable with the computer stability.
Generally several days of computer stability is sufficient.
To follow the computer stability / instability use reliability monitor:
It reports many of the events seen in the event viewer and it has a chart to follow trends over time.