title: resource not found when using IntelliJ
body: <p>I have a resource <code>abc/xyz.json</code>  under <code>src/test/resources</code>. I'm using <strong>IntelliJ</strong> IDE.
  While running a <em>Test</em> for my project, I get the following exception.</p>
  
  <p><strong>Exception</strong></p>
  
  <p><code>com.google.common.io.Resources.getResource("abc/xyz.json")</code>
  fails with <code>java.lang.IllegalArgumentException: resource abc/xyz.json not found.</code></p>
  
  <p>The <em>Test</em> runs fine with <code>gradle clean build</code> and <code>eclipse</code></p>