RLS Test as Role: view reports in different workspaces

Hi all, 

I have one dataset (in Workspace A) and 5 reports spread over multiple workspaces. 

Last month, I was able to Test RLS on my dataset in all the different reports in the different workspaces. 

Since October, I can now only test the RLS if the dataset and the report are in the same workspace.

I have changed nothing. Is there a way to get back to being able to test all reports in all workspaces?

Before, I could test the role in all reports in all the workspaces.

Now, since October: I can only test the role if the report is in the same workspace as the dataset.

Thank you!!