Create missing E2E tests

[jakub-tldr]

trafficstars

Missing Tests

• [x] Security Key
• [ ] Activity Log
• [x] Webhooks
• [x] Groups – bulk assign
• [ ] ACL
• [ ] Negative Scenarios – verify:
  • that a feature does not work when it should be blocked
  • that data changes correctly after an action
• [x] MFA – check if admin can remove MFA from a user