[SSSD] [sssd PR#796][comment] ci: enable sssd-ci for 1-16 branch

[alexey-tikhonov]

URL: https://github.com/SSSD/sssd/pull/796
Title: #796: ci: enable sssd-ci for 1-16 branch

alexey-tikhonov commented:
"""
> I have no idea why `test_ipa_subdom_server` fails with `99`: https://s3.eu-central-1.amazonaws.com/sssd-ci/PR-796/2/fedora28/test-suite.l...

99 means Valgrind error.

I saw similar problem with the same test and I thought it was fixed in 1-16 by ca63dbb796ab6243ff6167af709d46e8b1939c4e

Do you have detailed logs of failing test being run under Valgrind?
"""

See the full comment at https://github.com/SSSD/sssd/pull/796#issuecomment-478068755