Id("invalidColumnGapResolution");
        assert_equals(getComputedStyle(target).columnGap, "normal");
      }, "Resolution column-gap is invalid");
    test(
      function(){
        var target = document.getElementById("invalidColumnGapTime");
        assert_equals(getComputedStyle(target).columnGap, "normal");
      }, "Time column-gap is invalid");
  </script>
</body>


