title: jestjs - how to parametrize test execution from cli in ci?
body: <p>i have 4 environments :</p>
  
  <ul>
  <li>dev (developers area)</li>
  <li>test (test area)</li>
  <li>preprod (pre production environment)</li>
  <li>production (production environment)</li>
  </ul>
  
  <p>these environments needs different configuration to execute tests (differents urls, usernames, assets, and so on).</p>
  
  <p>how to pass there configurations to jest as a parameter in continous integration?</p>