to setup controller using block.

I implemented @colinta 's idea which was discussed below link.
https://groups.google.com/d/msg/rubymotion/M9T6LybaEUs/AWip_Vwy5_4J

When you want to setup UIViewController, you can setup it in a block of tests method.

# Example
  describe MyViewController do

    tests MyViewController do |controller|
      # you can set data to the controller here
      controller.my_data = "foo"
    end

    .
    .
  end

lib/motion/project/template/ios/spec-helpers/ui.rb

@@ -167,8 +167,8 @@ module Bacon
     # TODO
     # * :navigation => true
     # * :tab => true
-    def tests(controller_class, options = {})
-      @controller_class, @options = controller_class, options
+    def tests(controller_class, options = {}, &block)
+      @controller_class, @options, @after_created_block = controller_class, options, block
       extend Bacon::Functional::API
       extend Bacon::Functional::ContextExt
     end
@@ -220,7 +220,11 @@ module Bacon
           else
             c = @controller_class.alloc.init
           end
-          send(@options[:after_created], c) if @options[:after_created]
+          if @after_created_block
+            @after_created_block.call(c)
+          else
+            send(@options[:after_created], c) if @options[:after_created]
+          end
           c
         end
       end