Backport #3189 to fix test suite

[ericpre]

Backport #3189.

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (411ae3d) 81.01% compared to head (b5fc81f) 80.97%.

Additional details and impacted files

@@                  Coverage Diff                   @@
##           RELEASE_next_patch    #3243      +/-   ##
======================================================
- Coverage               81.01%   80.97%   -0.05%     
======================================================
  Files                     209      209              
  Lines                   32806    32814       +8     
  Branches                 7540     7540              
======================================================
- Hits                    26577    26570       -7     
- Misses                   4469     4488      +19     
+ Partials                 1760     1756       -4     

Files	Coverage Δ
hyperspy/_signals/signal2d.py	82.22% <100.00%> (+0.43%)	⬆️

... and 1 file with indirect coverage changes

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