title: REACT JEST error Cannot find module 'jest-matchers' from 'jest-expect.js'
body: <p>When running tests getting the following error:</p>
  
  <p>Cannot find module 'jest-matchers' from 'jest-expect.js'</p>
  
  <pre><code>  at Resolver.resolveModule (node_modules/jest-resolve/build/index.js:169:17)
  </code></pre>
  
  <p>Any ideas???</p>
  
  <p>I'm using:</p>
  
  <pre><code>node@6.3.1
  npm@4.0.5
  jest@19.0.2
  jest-matchers@19.0.0
  </code></pre>