Removing old helper that was necessary for compatibility with Ruby 1.8.x

actionpack/test/abstract_unit.rb

@@ -57,19 +57,6 @@ def env
 
 FIXTURE_LOAD_PATH = File.join(File.dirname(__FILE__), 'fixtures')
 
-module RackTestUtils
-  def body_to_string(body)
-    if body.respond_to?(:each)
-      str = ""
-      body.each {|s| str << s }
-      str
-    else
-      body
-    end
-  end
-  extend self
-end
-
 SharedTestRoutes = ActionDispatch::Routing::RouteSet.new
 
 module ActionDispatch

actionpack/test/controller/new_base/metal_test.rb

@@ -18,8 +18,6 @@ def call(env)
   end
 
   class TestMiddleware < ActiveSupport::TestCase
-    include RackTestUtils
-
     def setup
       @app = Rack::Builder.new do
         use MetalTest::MetalMiddleware
@@ -31,14 +29,14 @@ def setup
       env = Rack::MockRequest.env_for("/authed")
       response = @app.call(env)
 
-      assert_equal "Hello World", body_to_string(response[2])
+      assert_equal ["Hello World"], response[2]
     end
 
     test "it can return a response using the normal AC::Metal techniques" do
       env = Rack::MockRequest.env_for("/")
       response = @app.call(env)
 
-      assert_equal "Not authed!", body_to_string(response[2])
+      assert_equal ["Not authed!"], response[2]
       assert_equal 401, response[0]
     end
   end

actionpack/test/controller/new_base/middleware_test.rb

@@ -75,7 +75,7 @@ def setup
 
     test "middleware that is 'use'd is called as part of the Rack application" do
       result = @app.call(env_for("/"))
-      assert_equal "Hello World", RackTestUtils.body_to_string(result[2])
+      assert_equal ["Hello World"], result[2]
       assert_equal "Success", result[1]["Middleware-Test"]
     end