fixed hidden warnings from extra tests - batch 2 (#10027)

* fixed hidden warnings from extra tests - batch 2

* remove multiple yaml doc markers from EXAMPLE blocks

* Apply suggestions from code review

Co-authored-by: Felix Fontein <felix@fontein.de>

* Apply suggestions from code review

* Apply suggestions from code review

* dig: adjust markup for return suboptions

* Update plugins/lookup/dig.py

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/lookup/lmdb_kv.py

@@ -6,30 +6,30 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-DOCUMENTATION = '''
-    name: lmdb_kv
-    author:
-      - Jan-Piet Mens (@jpmens)
-    version_added: '0.2.0'
-    short_description: fetch data from LMDB
-    description:
-      - This lookup returns a list of results from an LMDB DB corresponding to a list of items given to it.
-    requirements:
-      - lmdb (Python library U(https://lmdb.readthedocs.io/en/release/))
-    options:
-      _terms:
-        description: List of keys to query.
-        type: list
-        elements: str
-      db:
-        description: Path to LMDB database.
-        type: str
-        default: 'ansible.mdb'
-        vars:
-          - name: lmdb_kv_db
-'''
+DOCUMENTATION = r"""
+name: lmdb_kv
+author:
+  - Jan-Piet Mens (@jpmens)
+version_added: '0.2.0'
+short_description: fetch data from LMDB
+description:
+  - This lookup returns a list of results from an LMDB DB corresponding to a list of items given to it.
+requirements:
+  - lmdb (Python library U(https://lmdb.readthedocs.io/en/release/))
+options:
+  _terms:
+    description: List of keys to query.
+    type: list
+    elements: str
+  db:
+    description: Path to LMDB database.
+    type: str
+    default: 'ansible.mdb'
+    vars:
+      - name: lmdb_kv_db
+"""
 
-EXAMPLES = """
+EXAMPLES = r"""
 - name: query LMDB for a list of country codes
   ansible.builtin.debug:
     msg: "{{ query('community.general.lmdb_kv', 'nl', 'be', 'lu', db='jp.mdb') }}"
@@ -40,7 +40,7 @@ EXAMPLES = """
   vars:
     - lmdb_kv_db: jp.mdb
   with_community.general.lmdb_kv:
-     - "n*"
+    - "n*"
 
 - name: get an item by key
   ansible.builtin.assert:
@@ -52,9 +52,9 @@ EXAMPLES = """
     - be
 """
 
-RETURN = """
+RETURN = r"""
 _raw:
-  description: value(s) stored in LMDB
+  description: Value(s) stored in LMDB.
   type: list
   elements: raw
 """