CI seems skipping cgroupv2 with rootless (systemd)

[AkihiroSuda]

https://github.com/opencontainers/runc/runs/2512206353

runc/tests/integration/helpers.bash

Line 374 in 2d38476

skip "test requires $var"

Most tests in cgroupv2 with rootless (systemd) seem skipped.

This is not a recent regression. The log from February has the same skip output. https://github.com/opencontainers/runc/runs/1867231647?check_suite_focus=true

[AkihiroSuda]

cc @kolyshkin

[kolyshkin]

Good catch, working on a fix

[kolyshkin]

Hmm, we're not in a very bad shape, the previously skipped tests only found 1 bug. PTAL #2944.

[AkihiroSuda]

Thanks for fixing! 👍