Lenovo integration test roles 1 (#44559)

* Integration test suit for cnos_facts, cnos_config, cnos_command, enos_facts, enos_config and enos_command.

* Update all_facts.yaml

* Update invalid_subset.yaml

* Update not_hardware.yaml

* Adding cnos_backup, cnos_bgp, cnos_conditional_command, cnos_condtional_template, cnos_ethernet, cnos_portchannel, cnos_rollback.

* Update README.md

* Adding the sample roles for cnos_save, cnos_show_run, cnos_template, cnos_vlag and cnos_vlan

test/integration/targets/cnos_command/tests/cli/invalid.yaml

@@ -0,0 +1,29 @@
+---
+- debug: msg="START cli/invalid.yaml"
+
+- name: run invalid command
+  cnos_command:
+    commands: ['display foo']
+    provider: "{{ cli }}"
+  register: result
+  ignore_errors: yes
+
+- assert:
+    that:
+      - "result.failed"
+
+- name: run commands that include invalid command
+  cnos_command:
+    commands:
+      - display version
+      - display foo
+    provider: "{{ cli }}"
+  register: result
+  ignore_errors: yes
+
+- assert:
+    that:
+      - "result.failed"
+  ignore_errors: true
+
+- debug: msg="END cli/invalid.yaml"