Add a simple rakefile for running tests

Rakefile

@@ -0,0 +1,17 @@
+require 'rspec/core/rake_task'
+
+RSPEC_OPTS = '--color --fail-fast'
+
+namespace :spec do
+  namespace :modules do
+    Dir.glob('modules/*') do |p|
+      if File.directory?(File.join(p, 'spec'))
+        name = File.basename(p)
+        desc "Run rspec-puppet tests for the #{name} module"
+        task name.to_sym do |t|
+          sh "cd #{p} && rspec #{RSPEC_OPTS}"
+        end
+      end
+    end
+  end
+end