it("Should show radial gradient preview for those with colon or space before", function () {
                runs(function () {
                    var expectedGradient = "radial-gradient(red, white 50%, blue 100%)";
                    checkGradientAtPos(expectedGradient, 176, 25);   // space colon space
                    checkGradientAtPos(expectedGradient, 177, 25);   // colon space