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

Depender (with downloads and own rev deps) xvc-test-helper version
320 4 xvc-walker dev ^0.6.17
310 5 xvc-core dev ^0.6.17
300 3 xvc-file dev ^0.6.17
290 3 xvc-storage dev ^0.6.17
260 2 xvc-pipeline dev ^0.6.17
230 1 xvc dev ^0.6.17
xvc-workflow-tests dev ^0.6.6