[SSSD] [sssd PR#828][comment] tests: Add multihost tests to upstream tarball

[mzidek-rh]

URL: https://github.com/SSSD/sssd/pull/828
Title: #828: tests: Add multihost tests to upstream tarball

mzidek-rh commented:
"""
I tested make dist-gzip with and without the patch and with the patch the files were added properly.
"""

See the full comment at https://github.com/SSSD/sssd/pull/828#issuecomment-501735853