A runtime test listed by debian/tests/control is not a regular file or a relative symbolic link to a regular file in the source package.
For more information please consult:
The tag is present in Lintian version
That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit 8ab6976. For merge requests, please use the latest version in the Lintian check testsuite.