Added system-integration tests for connection endpoints for different scenarios

[sneha-sirure]

Description

Implemented system-integration tests for connection endpoints with different scenarios and roles

1. Added different positive and negative test scenarios for delegation which is done to others with different roles
2. Added scenarios for delegation which org has got from others
3. Added scenarios to verify kundelista

Related Issue(s)

• AccMgmt | Test-Task | Enduser delete/remove rightholder for party #566
• AccMgmt | Test-task | Enduser GET Rightholder Parties #567

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)
• All tests run green

Documentation

• User documentation is updated with a separate linked PR in altinn-studio-docs. (if applicable)

[sonarqubecloud]

Quality Gate passed for 'Authorization Altinn.AccessManagement'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud