it("Should show linear gradient preview for those with colon or space before", function () {
                runs(function () {
                    var expectedGradient = "linear-gradient(to bottom, black 0%, white 100%)";
                    checkGradientAtPos(expectedGradient, 169, 25);   // space colon space
                    checkGradientAtPos(expectedGradient, 170, 25);   // colon space