test(binaryfile): move markers from fixture to test

[wpbonelli]

Close #2798. Markers can't be applied to fixtures, only tests.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.8%. Comparing base (556c088) to head (eafff56).
⚠️ Report is 196 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2803      +/-   ##
===========================================
+ Coverage     55.5%    72.8%   +17.2%     
===========================================
  Files          644      661      +17     
  Lines       124135   132999    +8864     
===========================================
+ Hits         68947    96831   +27884     
+ Misses       55188    36168   -19020     

see 583 files with indirect coverage changes

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