Use markup key to indicate expected diagnostics location

[gao-artur]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2b912f8) 84.67% compared to head (4d02834) 84.66%.
Report is 1 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3861      +/-   ##
==========================================
- Coverage   84.67%   84.66%   -0.02%     
==========================================
  Files         419      419              
  Lines       19333    19333              
  Branches     3033     3033              
==========================================
- Hits        16370    16368       -2     
- Misses       2251     2252       +1     
- Partials      712      713       +1     

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[Shane32]

FYI, the only time I use the test label is when the PR only applies to tests. Since typically any programming change should add/change tests, so I don't label those with the test label.

[Shane32]

This PR looks good!