fix(anta.tests): Cleaning up AVT tests module (VerifyAVTSpecificPath)

[vitthalmagadum]

Description

Refactoring AVT tests module to address the following issues:

• Extra attributes should be forbidden in nested Input models #809
• Have nicer result failure messages #587
• Enhancement: Input subclasses refactoring #388

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have run pre-commit for code linting and typing (pre-commit run)
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes (tox -e testenv)

[codspeed-hq]

CodSpeed Performance Report

Merging #939 will not alter performance

_{Comparing vitthalmagadum:feat/AVT (5ec6fc7) with main (d2c8218)}

Summary

✅ 8 untouched benchmarks

[sonarcloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud