title: RequestError Error: self signed certificate in certificate chain - Percy Visual Tests
body: <p>Percy isn't working for me for visual tests. I am getting an error -</p>
  <pre><code>&gt; percy exec -- node ./run-tests.js
  
  [percy] RequestError Error: self signed certificate in certificate chain | Thu Oct 29 2020 14:46:52 GMT+0530 (India Standard Time)
  [percy] stopping percy...
  [percy] waiting for 0 snapshots to complete...
  [percy] done.
  [percy] percy has started.
  Server is listening on http://localhost:8000
  
  [percy] stopping percy...
  [percy] waiting for 0 snapshots to complete...
  [percy] done.
  Terminate batch job (Y/N)? y
  </code></pre>
  <p>Tried many things like below (<code>.npmrc</code>) but none worked -</p>
  <ol>
  <li>ca=</li>
  <li>strict-ssl=false</li>
  <li>registry=http://registry.npmjs.org/</li>
  <li>Setting proxy and https-proxy</li>
  </ol>