Geolocation.getPosition() Not working

[anuvak26]

I'm submitting a ... (check one with "x")
[X] bug report
[ ] feature request
[ ] support request => Please do not submit support requests here, use one of these channels: https://forum.ionicframework.com/ or https://ionicworldwide.herokuapp.com/

Current behavior:
Getting the an empty JSON {}.
Expected behavior:
If there is an error it should return the message and error code but returing an empty JSON {}

IONIC INFO:
cli packages: (/home/webdior/.nvm/versions/node/v9.10.1/lib/node_modules)

@ionic/cli-utils  : 1.19.2
ionic (Ionic CLI) : 3.20.0

global packages:

cordova (Cordova CLI) : 8.0.0 

local packages:

@ionic/app-scripts : 3.1.8
Cordova Platforms  : android 7.0.0
Ionic Framework    : ionic-angular 3.9.2

System:

Node : v9.10.1
npm  : 5.6.0 
OS   : Linux 4.13

Environment Variables:

ANDROID_HOME : not set

Misc:

backend : pro

Any help will be appreciated

[arihantdaga]

In ionic 4 beta 19. using @ionic-native/geolocation@beta.

const pos = await this.geolocation.getCurrentPosition();
        console.log("Got Position"); // This is never being called. 
// Nor does it throw any error. 
// I have installed Cordova  plugin also.