test(pillar): add test for `commented` and clarify each test

test/salt/pillar/cron.sls

@@ -4,6 +4,7 @@
 cron:
   enabled: true      # Default
   tasks:
+    # Test all of the available options
     task1:
       type: present  # Default
       name: echo test > /tmp/test
@@ -14,18 +15,22 @@ cron:
       month: 1
       dayweek: 6
       comment: comment1
+      commented: false
+    # Test `type: absent`
     task2:
       type: absent   # To remove that crontask
       name: echo task2 > /tmp/test2
       user: root
       minute: random
       hour: 1
+    # Test `special`
     task3:
       type: present
       name: echo task3 > /tmp/test3
       user: root
       special: '@hourly'
       comment: comment3
+    # Test `*`
     task4:
       type: present  # run every 5 minutes
       name: echo task4 > /tmp/test4
@@ -33,3 +38,11 @@ cron:
       minute: '*/5'
       hour: '*'
       comment: comment4
+    # Test `commented: true` and `minute: random`
+    task5:
+      type: present
+      name: echo task5 > /tmp/test5
+      user: root
+      minute: random
+      hour: 1
+      commented: true