All reports of unknown-runtime-tests-feature for the archive. The extended description of this tag is:

A paragraph in debian/tests/control mentions a non standard value for the Features field. Though allowed, this may indicate an error, as the value will be ignored.

Refer to http://anonscm.debian.org/gitweb/?p=autopkgtest/autopkgtest.git;a=blob_plain;f=doc/README.package-tests;hb=HEAD for details.

Severity: pedantic, Certainty: wild-guess

Check: testsuite, Type: source

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