title: Need to get file path using jasmine
body: <p>i have a requirement where i need to get file names.</p>
  
  <p>I have seen <code>jasmine.getEnv().currentSpec.description</code> which returns <code>spec.js</code> description.
  Similarly i need to get get <code>spec.js</code> full path. Is it possible to get file path?</p>