message: update CircleOctiocn tests
diff: import React from 'react'
  import CircleOcticon from '../CircleOcticon'
  -import {render, renderClasses} from '../utils/testing'
  +import {render, renderClasses, rendersClass} from '../utils/testing'
  import {Check} from '@githubprimer/octicons-react'
  describe('CircleOcticon', () => {
  @@ -31,4 +31,12 @@ describe('CircleOcticon', () => {
  it('has a default size', () => {
  expect(render(<CircleOcticon icon={Check} />).props.style).toEqual({width: '32px', height: '32px'})
  })
  +
  + it('respects margin utility prop', () => {
  + expect(rendersClass(<CircleOcticon icon={Check} m={4} />, 'm-4')).toEqual(true)
  + })
  +
  + it('respects padding utility prop', () => {
  + expect(rendersClass(<CircleOcticon icon={Check} p={4} />, 'p-4')).toEqual(true)
  + })
  })
  