* test/lisp/progmodes/flymake-tests.el
(flymake-tests--wait-for-backends): Guard against
flymake-no-changes-timeout being nil (in personal configurations)
to help when running tests interactively.
(flymake-reporting-backends))
while notdone
unless noninteractive do (read-event "" nil 0.1)
- do (sleep-for (+ 0.5 flymake-no-changes-timeout))
+ do (sleep-for (+ 0.5 (or flymake-no-changes-timeout 0)))
finally (when notdone (ert-skip
(format "Some backends not reporting yet %s"
notdone)))))