Client: add expected errors when deleting a domain.

src/client/lib/dnsmanager-client.cr

@@ -74,7 +74,10 @@ class DNSManager::Client < IPC
 	def user_domain_del(domain : String)
 		request = Request::DeleteDomain.new domain
 		send_now request
-		parse_message [ Response::DomainDeleted ], read
+		parse_message [ Response::DomainDeleted,
+		                Response::DomainNotFound,
+		                Response::NoOwnership
+		              ], read
 	end
 
 	# Get user domain list.