diff --git a/actionpack/test/active_record_unit.rb b/actionpack/test/active_record_unit.rb
index 8eca6cc9bd..d8d2e00dc2 100644
--- a/actionpack/test/active_record_unit.rb
+++ b/actionpack/test/active_record_unit.rb
@@ -83,6 +83,8 @@ class ActiveRecordTestConnector
 end
 
 class ActiveRecordTestCase < ActionController::TestCase
+  include ActiveRecord::TestFixtures
+
   # Set our fixture path
   if ActiveRecordTestConnector.able_to_connect
     self.fixture_path = [FIXTURE_LOAD_PATH]
diff --git a/actionpack/test/activerecord/render_partial_with_record_identification_test.rb b/actionpack/test/activerecord/render_partial_with_record_identification_test.rb
index 822a739112..147b270808 100644
--- a/actionpack/test/activerecord/render_partial_with_record_identification_test.rb
+++ b/actionpack/test/activerecord/render_partial_with_record_identification_test.rb
@@ -47,6 +47,7 @@ class RenderPartialWithRecordIdentificationController < ActionController::Base
 end
 
 class RenderPartialWithRecordIdentificationTest < ActiveRecordTestCase
+  tests RenderPartialWithRecordIdentificationController
   fixtures :developers, :projects, :developers_projects, :topics, :replies, :companies, :mascots
 
   def test_rendering_partial_with_has_many_and_belongs_to_association
@@ -155,12 +156,7 @@ module Fun
 end
 
 class RenderPartialWithRecordIdentificationAndNestedControllersTest < ActiveRecordTestCase
-  def setup
-    @controller = Fun::NestedController.new
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
-    super
-  end
+  tests Fun::NestedController
 
   def test_render_with_record_in_nested_controller
     get :render_with_record_in_nested_controller
@@ -176,12 +172,7 @@ class RenderPartialWithRecordIdentificationAndNestedControllersTest < ActiveReco
 end
 
 class RenderPartialWithRecordIdentificationAndNestedDeeperControllersTest < ActiveRecordTestCase
-  def setup
-    @controller = Fun::Serious::NestedDeeperController.new
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
-    super
-  end
+  tests Fun::Serious::NestedDeeperController
 
   def test_render_with_record_in_deeper_nested_controller
     get :render_with_record_in_deeper_nested_controller