[SSSD] [sssd PR#5612][comment] test: minor change in test doc string

[aborah-sudo]

  URL: https://github.com/SSSD/sssd/pull/5612
Title: #5612: test: minor change in test doc string

aborah-sudo commented:
"""
LGTM
"""

See the full comment at https://github.com/SSSD/sssd/pull/5612#issuecomment-827961886