title: TypeError: _reactNativePushNotification.default.localNotificationSchedule is not a function while writing unit test
body: <p>I am not able to write unit test for the following code</p>
  
  <pre><code>import PushNotification from 'react-native-push-notification'
  import { timeZoneForNotification } from '../Assets/Constants/constants'
  import firebase from 'react-native-firebase'
  export const scheduleNotification = ({ 
      title = timeZoneForNotification.title, 
      message 
   },
    date
  ) =&gt; {
    PushNotification.localNotificationSchedule({ title, message, date })
  }
  </code></pre>