ipatest: replica install with existing entry on master
replica install might fail because of existing entry for replica like
`cn=ipa-http-delegation,cn=s4u2proxy,cn=etc,$SUFFIX` etc. The situation
may arise due to incorrect uninstall of replica or ipa server-del is
not executed on master.
related bug : https://pagure.io/freeipa/issue/7174
Fixes: https://pagure.io/freeipa/issue/7276
Signed-off-by: Mohammad Rizwan Yusuf <myusuf@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>