POC - e2e test for distributed tracing

[adinauer]

📜 Description

POC - e2e test for distributed tracing

• Test expects the http.client span to be present but it's missing when running the e2e tests.
• We tested manually and it's there

TODO investigate

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- POC - e2e test for distributed tracing ([#3948](https://github.com/getsentry/sentry-java/pull/3948))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against 713e7c5

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	429.98 ms	451.08 ms	21.10 ms
Size	1.65 MiB	2.31 MiB	676.07 KiB

[adinauer]

Closing this as we've found a simpler approach by calling into the same server via HTTP to avoid having to spin up multiple services. See #4233