```ruby
module CachingHelpers
	def cached_directory
		"spec/dummy/public/refinery/cache/pages"
	end

	def cached_file_path(page)
		"#{cached_directory}#{refinery.page_path(page)}.html"
	end

	def cache_page(page)
	  Refinery::PagesController.any_instance.stub(:refinery_user?).and_return(false)
	  visit refinery.page_path(page)
	  Refinery::PagesController.any_instance.unstub(:refinery_user?)
	end

	RSpec::Matchers.define :be_cached do 
	  match do |page|
	    File.exists? (cached_file_path(page))
	  end
	end

end```

Fix warning regarding putting a space before parentheses.
user
```ruby
module CachingHelpers
	def cached_directory
		"spec/dummy/public/refinery/cache/pages"
	end

	def cached_file_path(page)
		"#{cached_directory}#{refinery.page_path(page)}.html"
	end

	def cache_page(page)
	  Refinery::PagesController.any_instance.stub(:refinery_user?).and_return(false)
	  visit refinery.page_path(page)
	  Refinery::PagesController.any_instance.unstub(:refinery_user?)
	end

	RSpec::Matchers.define :be_cached do
	  match do |page|
	    File.exists?(cached_file_path(page))
	  end
	end

end
```
assistant