Additional owlgen compliance tests.

[cmungall]

Explicitly test for punning scenario with has_member

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (7978be5) 80.13% compared to head (e0efd3e) 80.09%.
Report is 2 commits behind head on main.

Files	Patch %	Lines
linkml/generators/owlgen.py	16.66%	2 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1894      +/-   ##
==========================================
- Coverage   80.13%   80.09%   -0.04%     
==========================================
  Files         100      100              
  Lines       11475    11481       +6     
  Branches     2956     2959       +3     
==========================================
+ Hits         9195     9196       +1     
- Misses       1734     1736       +2     
- Partials      546      549       +3     

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