refute_respond_to(obj, meth, msg = nil)
public
Fails if obj responds to the message meth.
# File lib/minitest/unit.rb, line 695
def refute_respond_to obj, meth, msg = nil
msg = message(msg) { "Expected #{mu_pp(obj)} to not respond to #{meth}" }
refute obj.respond_to?(meth), msg
end