message: Remove react-app install test
  1. Doesn't work until we install new versions of everything (ergo
  _not_ a unit test).
  2. Tested in integration test.
diff: @@ -16,7 +16,6 @@ import rmrf from 'rmfr';
  import {
  sanityCheck,
  setupProxy,
  - installPackages,
  ignoreReshuffle,
  } from '../steps';
  @@ -105,14 +104,6 @@ test('setup proxy works if called twice', async () => {
  expect(msg).toBe('Left src/setupProxy.js as is');
  });
  -test('install creates node_modules', async () => {
  - await fakeApp();
  - const msg = await installPackages();
  - expect(msg).toBe(`Packages installed
  -Modified package.json, please commit this file`);
  - await promiseAccess('node_modules');
  -}, 180000);
  -
  test('ignore does not create .gitignore', async () => {
  await fakeApp();
  const msg = ignoreReshuffle();
  