title: Watchman: watchman --no-pretty get-sockname returned with exit code=null, signal=SIGABRT, stderr
body: <p>I'm trying to use Jest but whenever I do <code>npm test</code> I get errors. I tried Googling didn't find any solution </p>
  
  <p>Macbook-2:JSProj abhimanyuaryan$ npm test                 </p>
  
  <pre><code>&gt; jsproj@1.0.0 test /Users/abhimanyuaryan/Desktop/JSProj  
  &gt; jest                                                    
  
  2018-05-08T12:40:57,551: [cli] Failed to open /Users/abhim
  anyuaryan/Library/LaunchAgents/com.github.facebook.watchma
  n.plist for write: Not a directory                        
  
  Watchman:  watchman --no-pretty get-sockname returned with
   exit code=null, signal=SIGABRT, stderr= 2018-05-08T12:40:
  57,551: [cli] Failed to open /Users/abhimanyuaryan/Library
  /LaunchAgents/com.github.facebook.watchman.plist for write
  : Not a directory                                         
  </code></pre>