All reports of debian-tests-control-is-not-a-regular-file for the archive. The extended description of this tag is:

In case the dsc file contains a Testsuite field, "debian/tests" must be a directory and contain a "control" regular file.

Severity: wishlist, Certainty: certain

Check: testsuite, Type: source

This tag has not been emitted in any package tested by Lintian.