create_stubs in test.helpers is also dropped in this
commit because this creates a stub using mox
This is part of mox-removal community goal in Rocky.
Story: 2001546
Task: 8719
Change-Id: Ic97d45f3b265cf61ad483c33b4d29b975dd93a5f
Signed-off-by: Charles Short <zulcss@gmail.com>