Reactivate tests

[apupier]

they were deactivated due to misconfiguration
6207166 where it was configured to use Junit4 although it is TestNg tests which are used

note that it revealed 3 failign tests:

[ERROR] �[1;31mFailures: �[m
[ERROR] �[1;31m  JavaInflectorServerOptionsTest>AbstractOptionsTest.checkOptionsHelp:43 These options weren't checked: useNullableForNotNull.�[m
[ERROR] �[1;31m  AkkaHttpServerCodegenTest.testFileGeneration:253 expected [true] but found [false]�[m
[ERROR] �[1;31m  TypeScriptAngularClientOptionsTest>AbstractOptionsTest.checkOptionsHelp:43 These options weren't checked: useOverride.

Pull Request

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Description

Fixes:

Type of Change

• 🐛 Bug fix
• ✨ New feature
• ♻️ Refactor (non-breaking change)
• 🧪 Tests
• 📝 Documentation
• 🧹 Chore (build or tooling)

Checklist

• I have added/updated tests as needed
• I have added/updated documentation where applicable
• The PR title is descriptive
• The code builds and passes tests locally
• I have linked related issues (if any)

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