test-requirements.txt.jj2: Use custom fork
pytest-reqs doesnt support VCS requirements very well, and doesnt support environment markers.
A workaround has been created to ignore VCS requirements, and handle environment markers, however the maintainer isnt processing patches.
Related to https://github.com/coala/coala/pull/5623
Related to https://github.com/di/pytest-reqs/pull/27
Edited by John Vandenberg