Add expectation in Gitlab::ImportExport::GroupTreeSaver specs
What does this MR do?
The idea is to try to make the error explicit and see if the error occurs during the export of GroupTreeSaver.
Does this MR meet the acceptance criteria?
Conformity
-
Code review guidelines -
Merge request performance guidelines -
Style guides -
Separation of EE specific content
Relates to #119153 (closed).
Edited by Rémy Coutable