Task: In the webex meet app , Add the dbwscratch.test.id4@gmail.com to the Cerebra research meeting
Steps:
Open the Webex Meet app 
Click on the Cerebra Research's Meeting
Click on the Add participant button from the top right of the screen options
Enter the participant name as dbwscratch.test.id4@gmail.com
Click on the tick icon at the top right corner of the screen
Click on the tick icon at the top right corner of the screen