Whitespace handling has changed in py3.13 around this
area -- rework the test to pass on 3.13 as well as
older versions by ignoring whitespace around the expected
description.
There may be a more complete fix in shell.py's
_find_actions but I didn't find it for now.
Closes-Bug: #2081633
Change-Id: I83a6a2bc311545811c5c32192494ee82b7903770