Generate and Check Bulk Usernames

Notes:

• Username is generated by combining the firstname and first 3 letters of last name
• If the username is not available in GIGYA, we add a 2 digit random number (0 - 99) to the username
• If two generated usernames are same in the form, we add a 2 digit random number (0 - 99) to the username
• Usernames are checked in GIGYA using a Bulk query via Gigya search query