Extend LOAD_PATH in specs for easier require

Author: pex

spec/rack/reverse_proxy_spec.rb

@@ -1,4 +1,4 @@
-require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+require 'spec_helper'
 
 RSpec.describe Rack::ReverseProxy do
   include Rack::Test::Methods

spec/spec_helper.rb

@@ -4,6 +4,9 @@
 require 'rack/test'
 require 'webmock/rspec'
 
+$LOAD_PATH << File.join(File.dirname(__FILE__), '..', 'lib')
+$LOAD_PATH << File.join(File.dirname(__FILE__))
+
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|
     # This option will default to `true` in RSpec 4.