message: update CircleOcticon tests to remove deprecated variables
diff: import React from 'react'
  import {CheckIcon} from '@primer/octicons-react'
  -import {colors} from '../theme'
  +import theme, {colors} from '../theme'
  import {CircleOcticon} from '..'
  import {render, behavesAsComponent, checkExports} from '../utils/testing'
  import {COMMON, FLEX, LAYOUT} from '../constants'
  @@ -10,7 +10,11 @@ import 'babel-polyfill'
  expect.extend(toHaveNoViolations)
  describe('CircleOcticon', () => {
  - behavesAsComponent({Component: CircleOcticon, systemPropArray: [COMMON, FLEX, LAYOUT], toRender: () => <CircleOcticon icon={CheckIcon} />})
  + behavesAsComponent({
  + Component: CircleOcticon,
  + systemPropArray: [COMMON, FLEX, LAYOUT],
  + toRender: () => <CircleOcticon icon={CheckIcon} />
  + })
  checkExports('CircleOcticon', {
  default: CircleOcticon
  @@ -34,7 +38,10 @@ describe('CircleOcticon', () => {
  })
  it('respects the bg prop', () => {
  - expect(render(<CircleOcticon icon={CheckIcon} bg="red.5" />)).toHaveStyleRule('background-color', colors.red[5])
  + expect(render(<CircleOcticon icon={CheckIcon} bg="bg.danger" />)).toHaveStyleRule(
  + 'background-color',
  + theme.colors.bg.danger
  + )
  })
  it('has a default size', () => {
  