feat: Begin writing group tests

* We need to revamp the CLI to be consistent with name/UUID arguments,
  the option/argument patterns, and the subcommand structures with
  singular/plural words.

Author: achimnol

setup.py

@@ -13,7 +13,7 @@
     'appdirs~=1.4.3',
     'async_timeout~=3.0',  # to avoid pip10 resolver issue
     'attrs>=20.1',         # to avoid pip10 resolver issue
-    'click~=7.1.2',
+    'click~=8.0.1',
     'colorama~=0.4.3',
     'humanize~=3.1.0',
     'janus~=0.6.0',