test: improve configuration for integration tests

[antonbaliasnikov]

Overview

Improves configuration for integration tests:

1. Allows containers to share services
2. Minimize configuration parameters, but keep agility
3. Add the capability to keep containers running
4. Add different configs for basic/vault/keycloak/combined
5. Replace Acme, Bob and Faber with Issuer, Holder and Verifier
6. Optimizations and refactoring

Checklist

My PR contains...

• No code changes (changes to documentation, CI, metadata, etc.)
• Bug fixes (non-breaking change which fixes an issue)
• Improvements (misc. changes to existing features)
• Features (non-breaking change which adds functionality)

My changes...

• are breaking changes
• are not breaking changes
• If yes to above: I have updated the documentation accordingly

Documentation

• My changes do not require a change to the project documentation
• My changes require a change to the project documentation
• If yes to above: I have updated the documentation accordingly

Tests

• My changes can not or do not need to be tested
• My changes can and should be tested by unit and/or integration tests
• If yes to above: I have added tests to cover my changes
• If yes to above: I have taken care to cover edge cases in my tests

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[github-actions]

Integration Test Results

11 files  ±0  11 suites  ±0   1s ⏱️ -1s
24 tests ±0  24 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
25 runs  ±0  25 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit b915c3a. ± Comparison against base commit f050e35.

[github-actions]

Unit Test Results

  85 files  ±0    85 suites  ±0   21m 21s ⏱️ +37s
712 tests ±0  704 ✔️ ±0  8 💤 ±0  0 ❌ ±0 
718 runs  ±0  710 ✔️ ±0  8 💤 ±0  0 ❌ ±0 

Results for commit b915c3a. ± Comparison against base commit f050e35.