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: Hosts_test.rb
    path of file: ./repos/rbs/test/stdlib/resolv
    
    the code of the file until where you have to start completion: require_relative '../test_helper'
require 'resolv'

class ResolvHost
    
  def with_hosts
    Tempfile.create do |f|
      f.write(<<~HOSTS)
        127.0.0.1 localhost
      HOSTS
      f.close
      yield Resolv::Hosts.new(f.path)
    end
  end