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

Depender (with downloads and own rev deps) xvc-test-helper version
360 7 xvc-walker dev ^0.6.15
340 5 xvc-core dev ^0.6.15
330 3 xvc-storage dev ^0.6.15
320 3 xvc-file dev ^0.6.15
300 2 xvc-pipeline dev ^0.6.15
280 1 xvc dev ^0.6.15
240 xvc-workflow-tests dev ^0.6.6