tedStyle(target).rowGap, "normal");
        assert_equals(getComputedStyle(target).columnGap, "normal");
      }, "Resolution gap is invalid");
    test(
      function(){
        var target = document.getElementById("invalidGapTime");
        assert_equals(getComputedStyle(target).rowGap, "normal");
        assert_equals(getComputedStyle(target).columnGap, "normal");
      }, "Time gap is invalid");
    test(
      function(){
        var target = document.getElementById("invalidGapThree");
        assert_