[repo] Migrate shared code tests from main repository

[Kielek]

Follow up to open-telemetry/opentelemetry-dotnet#5599 (comment)

Changes

Migrate shared code tests from main repository

https://github.com/open-telemetry/opentelemetry-dotnet/tree/1bbafaa7b7bed6470ff52fc76b6e881cd19692a5
Please provide a brief description of the changes here.

For significant contributions please make sure you have completed the following items:

• [ ] Appropriate CHANGELOG.md updated for non-trivial changes
• [ ] Design discussion issue #
• [ ] Changes in public API reviewed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.98%. Comparing base (71655ce) to head (a76ab3d).
Report is 246 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1806      +/-   ##
==========================================
+ Coverage   73.91%   74.98%   +1.06%     
==========================================
  Files         267      297      +30     
  Lines        9615    10968    +1353     
==========================================
+ Hits         7107     8224    +1117     
- Misses       2508     2744     +236     

Flag	Coverage Δ
unittests-Exporter.Geneva	61.63% <ø> (?)
unittests-Exporter.OneCollector	89.46% <ø> (?)
unittests-Instrumentation.AspNetCore	85.27% <ø> (?)
unittests-Instrumentation.EventCounters	74.54% <ø> (?)
unittests-Instrumentation.GrpcNetClient	78.78% <ø> (?)
unittests-Instrumentation.Http	81.08% <ø> (?)
unittests-Instrumentation.Owin	83.43% <ø> (?)
unittests-Instrumentation.Process	100.00% <ø> (?)
unittests-Instrumentation.Runtime	100.00% <ø> (?)
unittests-Instrumentation.SqlClient	90.90% <ø> (?)
unittests-Instrumentation.StackExchangeRedis	68.02% <ø> (?)
unittests-Instrumentation.Wcf	78.47% <ø> (?)
unittests-PersistentStorage	65.78% <ø> (?)
unittests-ResourceDetectors.Azure	82.03% <ø> (?)
unittests-ResourceDetectors.ProcessRuntime	93.33% <ø> (?)
unittests-Resources.Process	81.81% <ø> (?)
unittests-Solution	79.75% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

see 285 files with indirect coverage changes

[CodeBlanch]

LGTM