TESTS: Fix E501 pep8 issues on test_session_recording.py
E501: line too long (longer than 79 characters)
Resolves:
https://pagure.io/SSSD/sssd/issue/3605
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>