Define ldapExpertGroupnameAttr in acceptance test CI

Author: phil-davis

tests/acceptance/setConfig.sh

@@ -7,6 +7,7 @@ configID="LDAPTestId"
 ./occ ldap:set-config  "$configID" ldapBaseGroups                "dc=owncloud,dc=com"
 ./occ ldap:set-config  "$configID" ldapBaseUsers                 "dc=owncloud,dc=com"
 ./occ ldap:set-config  "$configID" ldapEmailAttribute            "mail"
+./occ ldap:set-config  "$configID" ldapExpertGroupnameAttr       "cn"
 ./occ ldap:set-config  "$configID" ldapExpertUUIDUserAttr        "uid"
 ./occ ldap:set-config  "$configID" ldapGroupDisplayName          "cn"
 ./occ ldap:set-config  "$configID" ldapGroupFilter               "(&(|(objectclass=posixGroup)))"