ios test changes (#35510)

* Fix over-byte

* Update ios tests to call `provider`

To continue to support testing `connection: local`

* Fix command dict handling in ios_user

* Clean up unit tests, too

test/integration/targets/ios_command/tests/cli/contains.yaml

@@ -6,7 +6,7 @@
     commands:
       - show version
       - show interface loopback 888
-    authorize: yes
+    provider: "{{ cli }}"
     wait_for:
       - "result[0] contains Cisco"
       - "result[1] contains Loopback888"