[query][test] Add unit test for tracing http requests in query server

[mahadzaryab1]

Which problem is this PR solving?

• Towards #6026

Description of the changes

• Added a unit test for tracing http request endpoints in query server

How was this change tested?

• CI

Checklist

• [x] I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• [x] I have signed all commits
• [x] I have added unit tests for the new functionality
• [x] I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: yarn lint and yarn test

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.41%. Comparing base (f0c5a1d) to head (06aab81). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6131 +/- ## ========================================== - Coverage 96.43% 96.41% -0.02% ========================================== Files 353 353 Lines 20135 20135 ========================================== - Hits 19417 19414 -3 - Misses 533 535 +2 - Partials 185 186 +1 ``` | [Flag](https://app.codecov.io/gh/jaegertracing/jaeger/pull/6131/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | Coverage Δ | | |---|---|---| | [badger_v1](https://app.codecov.io/gh/jaegertracing/jaeger/pull/6131/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `8.32% <ø> (ø)` | | | [badger_v2](https://app.codecov.io/gh/jaegertracing/jaeger/pull/6131/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jaegertracing) | `1.68% <ø> (ø)` | | | 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