test: fix aicsimageio test

[tlambert03]

No description provided.

[codecov]

Codecov Report

Merging #188 (d98f7d5) into main (ba78c7a) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #188      +/-   ##
==========================================
+ Coverage   95.35%   95.40%   +0.04%     
==========================================
  Files          17       17              
  Lines        2348     2348              
==========================================
+ Hits         2239     2240       +1     
+ Misses        109      108       -1     

see 1 file with indirect coverage changes

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[codspeed-hq]

CodSpeed Performance Report

Merging #188 will degrade performances by 20.81%

_{Comparing fix-test (d98f7d5) with main (ba78c7a)}

Summary

❌ 2 regressions
✅ 11 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	fix-test	Change
❌	test_time_imread_dask[train_TR67_Inj7_fr50]	580.3 ms	732.8 ms	-20.81%
❌	test_time_imread_dask[karl_sample_image]	2.1 s	2.6 s	-18.3%