Unskip Can_Restore_Baggage test and update activity start method

[meijeran]

Fixes #3302

Design discussion issue #

Changes

Provided this.StartTestActivity as parameter

Merge requirement checklist

• [ ] CONTRIBUTING guidelines followed (license requirements, nullable enabled, static analysis, etc.)
• [ ] Unit tests added/updated
• [ ] Appropriate CHANGELOG.md files updated for non-trivial changes
• [ ] Changes in public API reviewed (if applicable)

[linux-foundation-easycla[bot]]

The committers listed above are authorized under a signed CLA.

• :white_check_mark: login: meijeran / name: Anne Meijer (9405051cda858040645ddc766276e8ae73223ea6)

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 71.22%. Comparing base (48d18f6) to head (9405051). :white_check_mark: All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3590   +/-   ##
=======================================
  Coverage   71.22%   71.22%           
=======================================
  Files         442      442           
  Lines       17516    17516           
=======================================
  Hits        12475    12475           
  Misses       5041     5041           

Flag	Coverage Δ
unittests-Instrumentation.AspNet	78.14% <ø> (ø)

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