ipatest: Test ipa-cert-fix fails when startup directive is missing from CS.cfg
This test checks that if 'selftests.container.order.startup' directive
is missing from CS.cfg, ipa-cert-fix fails and throw proper error
message. It also checks that underlying command 'pki-server cert-fix'
should fail to renew the cert.
related: https://pagure.io/freeipa/issue/8721
Signed-off-by: Mohammad Rizwan <myusuf@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>