(CAT-1244) Reinitialize and update acceptance tests - P2

Update acceptance testing to account for changes.
Includes:
- class_spec.rb
- firewall_attributes_exceptions_spec.rb
- firewall_attributes_happy_path_spec.rb
- firewall_attributes_ipv6_exceptions_spec.rb
- firewall_attributes_ipv6_happy_path_spec.rb

Author: david22swan

spec/acceptance/class_spec.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'spec_helper_acceptance'
+
+describe 'firewall class' do
+  before(:all) do
+    update_profile_file if os[:family] == 'ubuntu' || os[:family] == 'debian'
+  end
+
+  it 'runs successfully' do
+    pp = "class { 'firewall': }"
+    idempotent_apply(pp)
+  end
+
+  it 'ensure => stopped:' do
+    pp = "class { 'firewall': ensure => stopped }"
+    idempotent_apply(pp)
+  end
+
+  it 'ensure => running:' do
+    pp = "class { 'firewall': ensure => running }"
+    idempotent_apply(pp)
+  end
+end