Add basic no error converge rspec

spec/unit/recipes/default_spec.rb

@@ -0,0 +1,13 @@
+require 'spec_helper'
+
+describe 'default recipe on Ubuntu 14.04' do
+  let(:chef_run) do
+    ChefSpec::ServerRunner.new do |node|
+      node.automatic[:lsb][:codename] = 'trusty'
+    end.converge('tomcat::default')
+  end
+
+  it 'converges successfully' do
+    expect { :chef_run }.to_not raise_error
+  end
+end