Ability to ensure that the Push notifications are working as expected
If many messages are sent in quick succession (within 20 seconds) only one message notification should be sent to the phone.
Note: The client had reported that the Push notifications for the new messages stop coming through after using the application for sometime
*Comment from Test Report;
"Once I turn on internet I got all message, media straight away with notifications (say if I have 20 messages while had no internet, when back on internet I got 20 notifications in one go."*