[small] update scalar test

[verbose-void]

no changes, just added a test case (that already passes)

[codecov]

Codecov Report

Merging #1022 (6b5ab3f) into main (fa8e734) will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1022      +/-   ##
==========================================
+ Coverage   88.66%   88.73%   +0.06%     
==========================================
  Files          85       85              
  Lines        3918     3923       +5     
==========================================
+ Hits         3474     3481       +7     
+ Misses        444      442       -2     

Impacted Files	Coverage Δ
hub/api/tests/test_api.py	99.09% <100.00%> (+0.01%)	⬆️
hub/util/exceptions.py	75.26% <0.00%> (+0.52%)	⬆️
hub/core/meta/tensor_meta.py	88.11% <0.00%> (+0.99%)	⬆️

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