Fix namespace for ImageIndexEditorTests

[ricardobossan]

Fixes #12237
Related #10773

Proposed changes

• Fixes namespace for the ImageIndexEditorTests class.

Customer Impact

• None

Risk

• Minimal

Test environment(s)

• 9.0.100-rc.2.24474.12

Microsoft Reviewers: Open in CodeFlow

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.69138%. Comparing base (40f4e93) to head (671d85a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #12452         +/-   ##
===================================================
- Coverage   75.69249%   75.69138%   -0.00112%     
===================================================
  Files           3151        3151                 
  Lines         635717      635717                 
  Branches       46987       46987                 
===================================================
- Hits          481190      481183          -7     
- Misses        151088      151089          +1     
- Partials        3439        3445          +6     

Flag	Coverage Δ
Debug	75.69138% <ø> (-0.00112%)	⬇️
integration	18.26166% <ø> (-0.00072%)	⬇️
production	49.24151% <ø> (-0.00141%)	⬇️
test	97.04689% <ø> (-0.00085%)	⬇️
unit	46.22763% <ø> (+0.00562%)	⬆️

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[lonitra]

nice catch! 😄