More readable negative test expects

[ice1000]

Fix #1265

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.83%. Comparing base (c6d8826) to head (ba6e5d3).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1266   +/-   ##
=========================================
  Coverage     82.83%   82.83%           
  Complexity     3992     3992           
=========================================
  Files           366      366           
  Lines         11760    11760           
  Branches       1369     1369           
=========================================
  Hits           9741     9741           
  Misses         1293     1293           
  Partials        726      726           

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