Title: #749: TEST: Add a multihost test for not returning / for an empty home dir
I know that there is a test in the cwrap test suite, but this one will be handy for
downstream tests that use the pytest-multihost framework already.
Bonus points for anyone who reviews the test method while humming "No woman no
See the full comment at https://github.com/SSSD/sssd/pull/749#issuecomment-462935048