adding the silly hello world controller

cookbook/015/01/status/test/functional/hello_controller_test.rb

@@ -0,0 +1,9 @@
+require 'test_helper'
+
+class HelloControllerTest < ActionController::TestCase
+  test "should get world" do
+    get :world
+    assert_response :success
+  end
+
+end

cookbook/015/01/status/test/unit/helpers/hello_helper_test.rb

@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class HelloHelperTest < ActionView::TestCase
+end