Make URL inherit TestHTTPEndpoint from class level

[gian1200]

Closes #34935
Continuation of #35095

Functionality:

If a Test Class is annotated with @TestHTTPEndpoint then all URL fields inherit it's configuration.
If URL is also annotated, URL's annotation takes precedence.

Local tests (Windows):

• ./mvnw "-Dquickly" passed successfully.
• ./mvnw test -f integration-tests/main/ passed successfully
• Quarkus CI GitHub action, on local repo, passed successfully (https://github.com/gian1200/quarkus/actions/runs/13360530930)

Additional notes:

I couldn't find the tests for original functionality, so I included both (new and original).
I reused some resources/endpoints. Not sure if that's acceptable/expected or not (hopefully it doesn't make other tests fail)

[geoand]

Seems reasonable!

[quarkus-bot]

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It should be safe to merge provided you have a look at the other checks in the summary.

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[geoand]

Thanks!

[geoand]

I am actually going to revert this because it can cause issues like #46336, meaning it can break existing tests and users have no way to recover.

Sorry I didn't anticipate this earlier

[gian1200]

Sure, no problem. I didn't either 😔. A simple type validation should fix it (only inject URL fields). Will see if I can do it this weekend (unless someone is willing to do it earlier 🙃)

PS: during my testing I noticed that injection happens once for each test, not necessarily once per class (eg. 2 times for 2 tests in the same class). Is this expected or should I open an issue? It feels inefficient.

[geoand]

A simple type validation should fix it (only inject URL fields). Will see if I can do it this weekend (unless someone is willing to do it earlier 🙃)

I know, but that is unfortunately not enough. There could very well be tests in the wild that use URL (or String) as a field that is set by the test itself. Those cases would now break.

[gian1200]

Made a new PR. Limited it's scope to only inject field when @TestHTTPResource is explicitly use (AS-IS functionality).
Also added additional tests to cover #46336 and similar.

PR: #46410