Sam Kumar d2be2f9cfe Add test cases to check user{domain}
pattern.

Heat uses domain in user{domain} pattern to
find the user in the corresponding domain.

Change-Id: Ic01877e2524e094b087fcbddac7504356e395031
Story:2007867
Task:40234
2020-11-17 15:19:13 +00:00
..
2020-11-17 15:19:13 +00:00