Comment (by Michal Pirog):

I believe it's done. At least I did it in the analogous way.

BTW: "...when Cactus runs the testsuite...". Can anybody explain how it works, and what is to do in this matter?

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2747/inclusion-of-sgrid-importer-in-einstein