Add tests for #796

[quinnj]

No description provided.

[codecov]

Codecov Report

Merging #813 (3d187a4) into main (c386238) will decrease coverage by 0.95%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #813      +/-   ##
==========================================
- Coverage   91.22%   90.27%   -0.96%     
==========================================
  Files           9        9              
  Lines        1733     1728       -5     
==========================================
- Hits         1581     1560      -21     
- Misses        152      168      +16     

Impacted Files	Coverage Δ
src/detection.jl	95.29% <100.00%> (+0.29%)	⬆️
src/utils.jl	81.39% <0.00%> (-5.12%)	⬇️
src/file.jl	93.22% <0.00%> (-1.06%)	⬇️
src/rows.jl	91.26% <0.00%> (-0.80%)	⬇️
src/write.jl	82.41% <0.00%> (+0.10%)	⬆️

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