Merge pull request #546 from puppetlabs/revert

(CAT-1612) Revert removal of puppetlabs_spec_helper and puppet-string changes

config_defaults.yml

@@ -515,6 +515,8 @@ Gemfile:
         version: '~> 1.18'
       - gem: 'metadata-json-lint'
         version: '~> 3.0'
+      - gem: 'puppetlabs_spec_helper'
+        version: '~> 6.0'
       - gem: 'rspec-puppet-facts'
         version: '~> 2.0'
       - gem: 'codecov'
@@ -535,6 +537,8 @@ Gemfile:
         version: '= 1.16.0'
       - gem: 'rubocop-rspec'
         version: '= 2.19.0'
+      - gem: 'puppet-strings'
+        version: '~> 4.0'
       - gem: 'rb-readline'
         version: '= 0.5.5'
         platforms:
@@ -554,7 +558,7 @@ Gemfile:
       - gem: 'puppet-strings'
         version: '~> 4.0'
       - gem: 'puppetlabs_spec_helper'
-        version: '~> 7.0'
+        version: '~> 6.0'
 spec/default_facts.yml:
   is_pe: false
   networking: