Migrate Network Tests into ansible/ansible (#18233)

* Docs Networking tests

* Copy networking tests from test-network-modules

* Networking transport settings - group_vars

* Network playbooks

* Debug should be off by default

* Update nxos.yaml

* Remove items from top level

* Use dependencies, not pre-tasks

* Remove trailing blank lines

* Remove backup files

* newlines

test/integration/dellos6.yaml

@@ -0,0 +1,13 @@
+---
+- hosts: dellos6
+  gather_facts: no
+  connection: local
+
+  vars:
+    limit_to: "*"
+    debug: false
+
+  roles:
+    - { role: dellos6_command, when: "limit_to in ['*', 'dellos6_command']" }
+    - { role: dellos6_config, when: "limit_to in ['*', 'dellos6_config']" }
+    - { role: dellos6_facts, when: "limit_to in ['*', 'dellos6_facts']" }