Close figures in tests

[stefmolin]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.51%. Comparing base (3fbb336) to head (6e0983d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #262   +/-   ##
=======================================
  Coverage   98.51%   98.51%           
=======================================
  Files          58       58           
  Lines        1888     1891    +3     
  Branches      112      112           
=======================================
+ Hits         1860     1863    +3     
  Misses         25       25           
  Partials        3        3           

Files with missing lines	Coverage Δ
tests/plotting/test_style.py	100.00% <100.00%> (ø)
tests/shapes/test_factory.py	100.00% <100.00%> (ø)