Added puppetlabs-firewall (required by puppetlabs-postgresql), updated the other modules.

modules/firewall/spec/unit/classes/firewall_linux_debian_spec.rb

@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe 'firewall::linux::debian', :type => :class do
+  it { should contain_package('iptables-persistent').with(
+    :ensure => 'present'
+  )}
+  it { should contain_service('iptables-persistent').with(
+    :ensure   => nil,
+    :enable   => 'true',
+    :require  => 'Package[iptables-persistent]'
+  )}
+
+  context 'enable => false' do
+    let(:params) {{ :enable => 'false' }}
+    it { should contain_service('iptables-persistent').with(
+      :enable   => 'false'
+    )}
+  end
+end