7983826 test_sss_cache: Add test case for invalidating missing entries

1 file Authored by lslebodn 5 years ago, Committed by jhrozek 5 years ago,
    test_sss_cache: Add test case for invalidating missing entries
    
    Related to:
    https://pagure.io/SSSD/sssd/issue/3919
    
    Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
    (cherry picked from commit 415094687e92789060626176c5ced31d4122692d)