Move abstract's controller tests to AV

The ones that were actually testing AV functionality and should belong in there

actionpack/test/abstract/helper_test.rb → actionview/test/actionpack/abstract/helper_test.rb

 require 'abstract_unit'
 
-ActionController::Base.helpers_path = File.expand_path('../../fixtures/helpers', __FILE__)
+ActionController::Base.helpers_path = File.expand_path('../../../fixtures/helpers', __FILE__)
 
 module AbstractController
   module Testing
@@ -52,7 +52,7 @@ class AbstractHelpersBlock < ControllerWithHelpers
     class AbstractInvalidHelpers < AbstractHelpers
       include ActionController::Helpers
 
-      path = File.join(File.expand_path('../../fixtures', __FILE__), "helpers_missing")
+      path = File.join(File.expand_path('../../../fixtures', __FILE__), "helpers_missing")
       $:.unshift(path)
       self.helpers_path = path
     end

actionview/test/fixtures/helpers/abc_helper.rb

+module AbcHelper
+  def bare_a() end
+  def bare_b() end
+  def bare_c() end
+end

actionview/test/fixtures/helpers/fun/games_helper.rb

+module Fun
+  module GamesHelper
+    def stratego() "Iz guuut!" end
+  end
+end
\ No newline at end of file

actionview/test/fixtures/helpers/fun/pdf_helper.rb

+module Fun
+  module PdfHelper
+    def foobar() 'baz' end
+  end
+end

actionview/test/fixtures/helpers/helpery_test_helper.rb

+module HelperyTestHelper
+  def helpery_test
+    "Default"
+  end
+end

actionview/test/fixtures/helpers/just_me_helper.rb

+module JustMeHelper
+  def me() "mine!" end
+end
\ No newline at end of file

actionview/test/fixtures/helpers/me_too_helper.rb

+module MeTooHelper
+  def me() "me too!" end
+end
\ No newline at end of file