Tests: mint operations

[callebtc]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +3.27% 🎉

Comparison is base (6383249) 65.69% compared to head (a6d99c1) 68.96%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #328      +/-   ##
==========================================
+ Coverage   65.69%   68.96%   +3.27%     
==========================================
  Files          52       52              
  Lines        4183     4186       +3     
==========================================
+ Hits         2748     2887     +139     
+ Misses       1435     1299     -136     

Files Changed	Coverage Δ
cashu/lightning/fake.py	82.60% <ø> (+10.86%)	⬆️
cashu/core/secret.py	100.00% <100.00%> (ø)
cashu/wallet/htlc.py	88.88% <100.00%> (ø)

... and 7 files with indirect coverage changes

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