NAT - Add automation for removing the last admin from company

• Type: Testing
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: None
• Fix Version/s: None
• Component/s: User Management, User Management > Roles
• Labels: None
• Testing Type: Automation

Add automation for making sure we cannot remove the last admin from the company.

Test cases include:

1. Removing the Admin role from the only Admin in the company
2. Removing the only admin user in the company