ipatests: add test_ipa_cert_fix to the nightly definitions
Add the new test test_integration/test_ipa_cert_fix.py to the
nightly definitions.
Related: https://pagure.io/freeipa/issue/8618
Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>