The name and availability_zone arguments to aggregate update were
replaced by optional parameters in change
I778ab7ec54a376c60f19dcc89fe62fcab6e59e42. However, the '--name' and
'name' arguments in the parser would conflict, resulting in only the
deprecated argument working. Thus, attempting to update the name
on an aggregate using --name would end up doing a PUT with no new
name provided.
Note that there were unit tests for this, but they were not catching
this problem. So, this removes those tests and adds functional tests
to poke it.
Change-Id: Ifef6fdc1a737dd219712a4525d4e34afd3fbd80c
Closes-Bug: #1673789
(cherry picked from commit 20f00553d0)
(cherry picked from commit 983f7211a8)