nxos: merge nxapi/cli tests - acl, acl_interface, banner, bgp (#28234)

* refactored nxos_acl

* refactor nxos_acl_interface

* refactor nxos_banner

* refactor nxos_bgp

* fix typo

test/integration/targets/nxos_banner/tests/cli/basic-exec.yaml

@@ -1,45 +0,0 @@
----
-- name: setup - remove exec
-  nxos_banner:
-    banner: exec
-    state: absent
-    provider: "{{ cli }}"
-
-- name: Set exec
-  nxos_banner:
-    banner: exec
-    text: |
-      this is my exec banner
-      that has a multiline
-      string
-    state: present
-    provider: "{{ cli }}"
-  register: result
-
-- debug:
-    msg: "{{ result }}"
-
-- assert:
-    that:
-      - "result.changed == true"
-      - "'banner exec @\nthis is my exec banner\nthat has a multiline\nstring\n@' in result.commands"
-
-- name: Set exec again (idempotent)
-  nxos_banner:
-    banner: exec
-    text: |
-      this is my exec banner
-      that has a multiline
-      string
-    state: present
-    provider: "{{ cli }}"
-  register: result
-
-- assert:
-    that:
-      - "result.changed == false"
-      - "result.commands | length == 0"
-
-# FIXME add in tests for everything defined in docs
-# FIXME Test state:absent + test:
-# FIXME Without powers ensure "privileged mode required"