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Tests hang when running  #713

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@luizkowalski

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@luizkowalski

I have a test like this:

test('renders without crashing', () => {
  // const div = document.createElement('div');
  // ReactDOM.render(<App />, div);
  expect(true).toBe(true)
});

when I run it, with npm t it hangs. here is the output

→ npm t --loglevel=silly
npm info it worked if it ends with ok
npm verb cli [ '/usr/local/Cellar/node/6.6.0/bin/node',
npm verb cli   '/usr/local/bin/npm',
npm verb cli   't',
npm verb cli   '--loglevel=silly' ]
npm info using [email protected]
npm info using [email protected]
npm verb run-script [ 'pretest', 'test', 'posttest' ]
npm info lifecycle [email protected]~pretest: [email protected]
npm sill lifecycle [email protected]~pretest: no script for pretest, continuing
npm info lifecycle [email protected]~test: [email protected]

> [email protected] test /Users/luizeduardo/js_dev/reg-dashboard
> react-scripts test --env=jsdom

I'm running macOS Sierra with.
I can reproduce it with a new app as well.

the react-scripts:

→ npm ls react-scripts
[email protected] /Users/luizeduardo/js_dev/reg-dashboard
├── [email protected]
``

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