Extract cucumber and aruba monkey patches

features/support/env_cucumber-doc_string.rb

@@ -0,0 +1,23 @@
+require 'cucumber/formatter/pretty'
+
+module Cucumber
+  module Ast
+    class DocString
+      alias :old_initialize :initialize
+
+      def initialize(string, content_type)
+        old_initialize(string + "\n", content_type)
+      end
+    end
+  end
+
+  module Formatter
+    class Pretty
+      alias :old_doc_string :doc_string
+
+      def doc_string(string)
+        old_doc_string(string.chomp)
+      end
+    end
+  end
+end