[SSSD] [sssd PR#766][comment] TESTS: Test kvno correctly displays vesion numbers of principals

[mrniranjan]

URL: https://github.com/SSSD/sssd/pull/766
Title: #766: TESTS: Test kvno correctly displays vesion numbers of principals

mrniranjan commented:
"""
Ran the kcm tests on (unpatched version) sssd-1.16.0-4.el8+5.s390x .

```
test_kcm.py::TestSanityKCM::test_kinit_kcm
test_kcm.py::TestSanityKCM::Run kinit with KRB5CCNAME=KCM: FAILED                                                                                                                                                                      [ 16%]
test_kcm.py::TestSanityKCM::test_ssh_login_kcm
test_kcm.py::TestSanityKCM::Verify ssh logins are successuful with kcm as default PASSED                                                                                                                                               [ 33%]
test_kcm.py::TestSanityKCM::test_kcm_debug_level_set
test_kcm.py::TestSanityKCM::Test that just adding a [kcm] section and restarting the kcm FAILED                                                                                                                                        [ 50%]
test_kcm.py::TestSanityKCM::test_kdestroy_retval
test_kcm.py::TestSanityKCM::Test that destroying an empty cache does not return a non-zero FAILED                                                                                                                                      [ 66%]
test_kcm.py::TestSanityKCM::test_ssh_forward_creds
test_kcm.py::TestSanityKCM::Test that SSH can forward credentials with KCM FAILED                                                                                                                                                      [ 83%]
test_kcm.py::TestSanityKCM::test_kvno_display
test_kcm.py::TestSanityKCM::Test kvno correctly displays vesion numbers of principals FAILED                       
```
kvno command failed on s390x with below errors:

```
[root@ibm-z-127 db]# kvno host/[e-mail]
kvno: Matching credential not found while getting credentials for host/[e-mail]
``````

[root@ibm-z-127 db]# KRB5_TRACE=/dev/stderr kvno host/[e-mail]
[29908] 1559635067.105027: Getting credentials @EXAMPLE.TEST -> host/[e-mail] using ccache KCM:0
[29908] 1559635067.105028: Retrieving @EXAMPLE.TEST -> host/[e-mail] from KCM:0 with result: -1765328243/Matching credential not found
[29908] 1559635067.105029: Retrieving @EXAMPLE.TEST -> krbtgt/[e-mail] from KCM:0 with result: -1765328243/Matching credential not found
kvno: Matching credential not found while getting credentials for host/[e-mail]
```

"""

See the full comment at https://github.com/SSSD/sssd/pull/766#issuecomment-498603837