test(crd-generator): refactor approval files

[manusa]

Description

Part of #5951 / #5948

test(crd-generator): refactor approval files

• use quoted strings
• implement custom namer (first step for v2 test)
• leverage FileApprovalWriter

Relates to:

• CRD-Generator v2 #5948
• Align crd generator v1 and v2 output #5951
• CRDGenerator: Replace assertions with ApprovalTests #5850
• chore(crd-generator): Add approval tests for crd-generator api-v2 #5978
• test(crd-generator): extract approval tests to independent module #5980

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change
• Chore (non-breaking change which doesn't affect codebase;
  test, version modification, documentation, etc.)

Checklist

• Code contributed by me aligns with current project license: Apache 2.0
• I Added CHANGELOG entry regarding this change
• I have implemented unit tests to cover my changes
• I have added/updated the javadocs and other documentation accordingly
• No new bugs, code smells, etc. in SonarCloud report
• I tested my code in Kubernetes
• I tested my code in OpenShift

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud