Fix issue collecting compile bundles

[philippjfr]

Fix inverted logic and add basic test.

[codecov]

Codecov Report

Attention: Patch coverage is 94.11765% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.38%. Comparing base (cf9dc6b) to head (9b48712).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
panel/command/compile.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7477      +/-   ##
==========================================
+ Coverage   82.36%   82.38%   +0.01%     
==========================================
  Files         338      339       +1     
  Lines       50964    50980      +16     
==========================================
+ Hits        41977    41999      +22     
+ Misses       8987     8981       -6     

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