message: Add radio error test
diff: @@ -60,4 +60,10 @@ describe("radio specs", () => {
  const inputElement = wrapper.find("input");
  expect(inputElement.prop("type")).toBe("radio");
  });
  +
  + it("should have error className when error prop is passed", () => {
  + const wrapper = shallow(<Radio error />);
  +
  + expect(wrapper.hasClass("error")).toBe(true);
  + });
  });
  