def METHOD_NAME(self):
    # Deactivate a particular notification for user1
    response = self.clients['fs_user_1'].post(
        '/api/notifications/update_subscription',
        content_type='application/json',
        data=json.dumps(notifications_payload_single_false)
    )
    with patch('api.notifications.notifications.AMQPNotificationService.send_email_for_notification') as mock_email:
        AMQPNotificationService.send_notification(
            message="Test Message to Org1",
            interested_organization=self.org1,
            notification_type=NotificationType.CREDIT_TRANSFER_CREATED,
            originating_user=self.user2
        )
        # Check that the in-app notification was NOT sent to user1
        mock_email.assert_not_called(