automate test cases for sequence messaging

[sojharo]

This task is to automate test cases for sequence messaging. There are 34 test cases which need to be automated. We don't have to write new test cases for broadcasts related tests. For this please utilize the broadcasts test cases and make them composite test cases.

Revised Test Plan (sheet10):
https://docs.google.com/spreadsheets/d/1lJ-dZOSxjuLS7MJJBFrWcZkkjVvpIGWV3MwWss0UT5E/edit#gid=25812408

[Mehrish-Yousuf]

There were 34 test cases out of them 27 could be automated. I have automated those 27 test cases. This is complete.