message: chore: rely on browser field for browser tests
diff: */
  /* eslint-disable */
  -var expect = require('../../packages/expect/build-es5/index.js');
  -var mock = require('../../packages/jest-mock/build-es5/index.js');
  -var prettyFormat = require('../../packages/pretty-format/build-es5/index.js');
  +var expect = require('expect');
  +var mock = require('jest-mock');
  +var prettyFormat = require('pretty-format');
  describe('es5 builds in browser', function() {
  it('runs assertions', function() {
  