feat: implementing kitchen tests and activate them on travis

test/integration/default/controls/package.rb

@@ -0,0 +1,8 @@
+
+control 'Sudo package' do
+  title 'should be installed'
+
+  describe package('sudo') do
+    it { should be_installed }
+  end
+end

test/integration/default/inspec.yml

@@ -0,0 +1,12 @@
+name: sudoers
+title: Sudoers Formula
+maintainer: Saltstack-formulas
+license: Apache-2.0
+summary: Verify that the sudoers formula is setup and configured correctly
+supports:
+  - os-name: debian
+  - os-name: ubuntu
+  - os-name: centos
+  - os-name: fedora
+  - os-name: opensuse
+  - os-name: suse