[chore] Fix flaky Test_ComponentStatusReporting_SharedInstance test

[TylerHelmuth]

Description

Try adding wait group to ensure StatusOk is reported before the call to Shutdown.

Passed with go test status_test.go --count 2000

Link to tracking issue

Fixes #10927

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.21%. Comparing base (ec5d94a) to head (3084e87).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #11078   +/-   ##
=======================================
  Coverage   92.21%   92.21%           
=======================================
  Files         414      414           
  Lines       19718    19718           
=======================================
  Hits        18183    18183           
  Misses       1165     1165           
  Partials      370      370           

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