text: import React, { Component } from 'react';
  import { shallow } from 'enzyme';
  import toJson from 'enzyme-to-json';
  
  import GrayScale from './GrayScale';
  
  it('renders correctly', () => {
    const wrapper = shallow(
      <GrayScale />
    );
  
    expect(toJson(wrapper)).toMatchSnapshot();
  });
  
  it('renders correctly when disabled', () => {
    const wrapper = shallow(
      <GrayScale disabled={true} />
    );
  
    expect(toJson(wrapper)).toMatchSnapshot();
  });
  
  