It's used only as a dev dependency in 7 crates.

Depender (with downloads and own rev deps) xvc-test-helper version
320 7 xvc-walker dev ^0.6.15
310 5 xvc-core dev ^0.6.15
300 3 xvc-storage dev ^0.6.15
290 1 xvc dev ^0.6.15
290 3 xvc-file dev ^0.6.15
270 2 xvc-pipeline dev ^0.6.15
xvc-workflow-tests dev ^0.6.6