refute_kind_of(cls, obj, msg = nil)
Fails if obj is a kind of cls.
# File lib/minitest/unit.rb, line 643 def refute_kind_of cls, obj, msg = nil # TODO: merge with instance_of msg = message(msg) { "Expected #{mu_pp(obj)} to not be a kind of #{cls}" } refute obj.kind_of?(cls), msg end