message: load and unload primer-avatars CSS
diff: /* eslint-disable jsx-a11y/alt-text */
  import React from 'react'
  import Avatar from '../Avatar'
  -import {render, renderClasses} from '../utils/testing'
  +import theme from '../theme'
  +import {px, render, renderClasses, renderStyles, loadCSS, unloadCSS} from '../utils/testing'
  +
  +const STYLE_PATH = 'primer-avatars/build/build.css'
  +
  +beforeAll(() => {
  + return loadCSS(STYLE_PATH)
  +})
  +
  +afterAll(() => unloadCSS(STYLE_PATH))
  describe('Avatar', () => {
  it('is a system component', () => {
  