[ref-using-main] Resolve "PCA bypass command-line option" - Part 2: activate switch

• Related issues: #643 (closed)
• Requested reviewers: @vaclav

Reason why this change is needed

• rename PCA bypass command-line option to the appropriate name

Description of the change

• activate switch that was merged in inactive before
• make final adjustment to test scripts

Affected operating points

• All is BE.