TestCase does not need to be loaded when loading the framework

actionpack/lib/action_view.rb

@@ -36,7 +36,7 @@ module ActionView
     autoload :LookupContext
     autoload :PathSet
     autoload :Template
-    autoload :TestCase
+
 
     autoload_under "renderer" do
       autoload :Renderer
@@ -73,6 +73,8 @@ module ActionView
     end
   end
 
+  autoload :TestCase
+
   ENCODING_FLAG = '#.*coding[:=]\s*(\S+)[ \t]*'
 end
 

railties/test/application/configuration_test.rb

@@ -148,6 +148,15 @@ def teardown
       assert AppTemplate::Application.config.allow_concurrency
     end
 
+    test "initialize a threadsafe app" do
+      add_to_config <<-RUBY
+        config.threadsafe!
+      RUBY
+
+      require "#{app_path}/config/application"
+      assert AppTemplate::Application.initialize!
+    end
+
     test "asset_path defaults to nil for application" do
       require "#{app_path}/config/environment"
       assert_equal nil, AppTemplate::Application.config.asset_path
@@ -179,7 +188,7 @@ def teardown
 
       require "#{app_path}/config/environment"
 
-      assert !ActionController.autoload?(:Caching)
+      assert !ActionView.autoload?(:AssetPaths)
     end
 
     test "filter_parameters should be able to set via config.filter_parameters" do