https://github.com/jenkinsci/plugin-compat-tester/commit/3b0ef3faf4fc4adf3b9bea1d3408670f0a2b66e5 should be amended.
After https://github.com/jenkinsci/jenkins/commit/26bead0e09f94ed2b3e17975d9fa27db3e6224b5 1.480.3 should behave nicely.