You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: output_helpers.rb
    path of file: ./repos/kontena/cli/spec/support
    
    the code of the file until where you have to start completion: module OutputHelpers
  extend RSpec::Matchers::DSL

  def self.included(base)
    base.before do
      allow(TTY::Screen).t
    
    def self.capture(block)
      capture = StringIO.new
      original = $stdout
      $stdout = capture
      block.call
      capture.string
    ensure
      $stdout = original
    end