Deprecate component_test in favor of metadatatest

[bogdandrutu]

The main idea behind this is that the test helpers were generated in the main package, hard to find and understand and also impossible to use outside the main package, see the service/internal/proctelemetry/process_telemetry_test.go.

[github-actions]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[codecov]

Codecov Report

Attention: Patch coverage is 92.09726% with 26 lines in your changes missing coverage. Please review.

Project coverage is 91.70%. Comparing base (af09df1) to head (5421d15).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...r/internal/metadatatest/generated_telemetrytest.go	85.00%	6 Missing ⚠️
...r/internal/metadatatest/generated_telemetrytest.go	85.00%	6 Missing ⚠️
...r/internal/metadatatest/generated_telemetrytest.go	85.00%	6 Missing ⚠️
cmd/mdatagen/internal/command.go	50.00%	2 Missing and 1 partial ⚠️
...r/internal/metadatatest/generated_telemetrytest.go	97.50%	1 Missing ⚠️
...r/internal/metadatatest/generated_telemetrytest.go	97.50%	1 Missing ⚠️
...r/internal/metadatatest/generated_telemetrytest.go	97.50%	1 Missing ⚠️
...r/internal/metadatatest/generated_telemetrytest.go	97.50%	1 Missing ⚠️
...e/internal/metadatatest/generated_telemetrytest.go	97.14%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##             main   #11812    +/-   ##
========================================
  Coverage   91.70%   91.70%            
========================================
  Files         447      455     +8     
  Lines       23732    24053   +321     
========================================
+ Hits        21763    22058   +295     
- Misses       1600     1625    +25     
- Partials      369      370     +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[dmitryax]

LGTM