fixed hidden warnings from extra tests - batch 3 (#10029)

* fixed hidden warnings from extra tests - batch 3

* add empty lines to separate sections of the EXAMPLE block

* Apply suggestions from code review

* Update plugins/modules/nmcli.py

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

---------

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

plugins/modules/btrfs_subvolume.py

@@ -120,7 +120,7 @@ EXAMPLES = r"""
   community.general.btrfs_subvolume:
     name: /@
     snapshot_source: /
-    default: Yes
+    default: true
     filesystem_device: /dev/vda2
 
 - name: Create a snapshot of the /@ subvolume and recursively creating intermediate subvolumes as required

plugins/modules/htpasswd.py

@@ -85,7 +85,7 @@ EXAMPLES = r"""
     password: '9s36?;fyNp'
     owner: root
     group: www-data
-    mode: 0640
+    mode: '0640'
 
 - name: Remove a user from a password file
   community.general.htpasswd:

plugins/modules/irc.py

@@ -124,7 +124,7 @@ EXAMPLES = r"""
     server: irc.example.net
     use_tls: true
     validate_certs: true
-    channel: #t1
+    channel: '#t1'
     msg: Hello world
 
 - name: Send a message to an IRC channel
@@ -134,7 +134,7 @@ EXAMPLES = r"""
     server: irc.example.net
     use_tls: true
     validate_certs: true
-    channel: #t1
+    channel: '#t1'
     msg: 'All finished at {{ ansible_date_time.iso8601 }}'
     color: red
     nick: ansibleIRC
@@ -146,7 +146,7 @@ EXAMPLES = r"""
     server: irc.example.net
     use_tls: true
     validate_certs: true
-    channel: #t1
+    channel: '#t1'
     nick_to:
       - nick1
       - nick2

plugins/modules/lxd_container.py

@@ -342,7 +342,7 @@ EXAMPLES = r"""
 # nodes - 'node01' and 'node02'. In 'target:', 'node01' and 'node02' are names of LXD cluster
 # members that LXD cluster recognizes, not ansible inventory names, see: 'lxc cluster list'.
 # LXD API calls can be made to any LXD member, in this example, we send API requests to
-#'node01.example.com', which matches ansible inventory name.
+# 'node01.example.com', which matches ansible inventory name.
 - hosts: node01.example.com
   tasks:
     - name: Create LXD container

plugins/modules/nmcli.py

@@ -1227,7 +1227,6 @@ EXAMPLES = r"""
 # ```
 
 
-
 ## playbook-add.yml example
 
 - hosts: openstack-stage
@@ -1264,7 +1263,7 @@ EXAMPLES = r"""
       with_items:
         - '{{ nmcli_team_slave }}'
 
-###### Working with all cloud nodes - Bonding
+##### Working with all cloud nodes - Bonding
     - name: Try nmcli add bond - conn_name only & ip4 gw4 mode
       community.general.nmcli:
         type: bond