Lenovo cnos lldp (#52568)

* To add new module cnos_lldp.

test/integration/targets/cnos_lldp/aliases

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+# No Lenovo Switch simulator yet, so not enabled
+unsupported

test/integration/targets/cnos_lldp/defaults/main.yaml

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+---
+testcase: "*"

test/integration/targets/cnos_lldp/tasks/cli.yaml

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+---
+- name: collect all cli test cases
+  find:
+    paths: "{{ role_path }}/tests/cli"
+    patterns: "{{ testcase }}.yaml"
+  register: test_cases
+  delegate_to: localhost
+
+- name: set test_items
+  set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"
+
+- name: run test cases (connection=network_cli)
+  include: "{{ test_case_to_run }}"
+  with_items: "{{ test_items }}"
+  loop_control:
+    loop_var: test_case_to_run
+
+- name: run test case (connection=local)
+  include: "{{ test_case_to_run }} ansible_connection=local"
+  with_first_found: "{{ test_items }}"
+  loop_control:
+    loop_var: test_case_to_run

test/integration/targets/cnos_lldp/tasks/main.yaml

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+---
+- { include: cli.yaml, tags: ['cli'] }

test/integration/targets/cnos_lldp/tests/cli/basic.yaml

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+---
+- debug: msg="START cnos_lldp cli/basic.yaml on connection={{ ansible_connection }}"
+
+- name: Enable LLDP service
+  cnos_lldp:
+    state: present
+  register: result
+
+- assert:
+    that:
+      - 'result.changed == true'
+      - '"lldp receive" in result.commands'
+      - '"lldp transmit" in result.commands'
+
+- name: Enable LLDP service again (idempotent)
+  cnos_lldp:
+    state: present
+  register: result
+
+- assert:
+    that:
+      - 'result.changed == true'
+
+- name: Disable LLDP service
+  cnos_lldp:
+    state: absent
+  register: result
+
+- assert:
+    that:
+      - 'result.changed == true'
+      - '"no lldp receive" in result.commands'
+      - '"no lldp transmit" in result.commands' 
+
+- name: Disable LLDP service (idempotent)
+  cnos_lldp:
+    state: absent
+  register: result
+
+- assert:
+    that:
+      - 'result.changed == true'
+
+- debug: msg="END cnos_lldp cli/basic.yaml on connection={{ ansible_connection }}"