ci: Only output server logs when failed

tests/test.sh

@@ -4,7 +4,8 @@ cd $(dirname $0)
 
 failed=false
 args="-f docker-compose.test.yml"
-docker-compose $args run sut || failed=true; docker-compose $args logs mc
+docker-compose $args run sut || failed=true
+$failed && docker-compose $args logs mc
 docker-compose $args down -v
 
 if $failed; then