New function expect_no_lint() akin to expect_no_warning() etc

[MichaelChirico]

Is there by the way an expect_no_lint function? I would have expected a wrapper for expect_lint(content, NULL, ...).

Originally posted by @F-Noelle in #2574 (comment)

[F-Noelle]

This issue can be considered closed. Especially since #2585 can be considered a follow up issue.