# File lib/minitest/unit.rb, line 576
    def refute_match matcher, obj, msg = nil
      msg = message(msg) {"Expected #{mu_pp matcher} to not match #{mu_pp obj}"}
      assert_respond_to matcher, "=~""=~"
      matcher = Regexp.new Regexp.escape matcher if String === matcher
      refute matcher =~ obj, msg
    end