1 files changed, 11 insertions, 6 deletions
diff --git a/railties/test/generators/generators_test_helper.rb b/railties/test/generators/generators_test_helper.rb
index ccf08c347c..4ce48a453b 100644
--- a/railties/test/generators/generators_test_helper.rb
+++ b/railties/test/generators/generators_test_helper.rb
@@ -1,8 +1,14 @@
 # TODO: Fix this RAILS_ENV stuff
-RAILS_ENV = 'test'
-
+RAILS_ENV = 'test' unless defined?(RAILS_ENV)
 require 'abstract_unit'
-Rails.application.config.root = File.expand_path(File.join(File.dirname(__FILE__), '..', 'fixtures'))
+
+module Rails
+  def self.root
+    @root ||= File.expand_path(File.join(File.dirname(__FILE__), '..', 'fixtures'))
+  end
+end
+Rails.application.config.root = Rails.root
+
 require 'rails/generators'
 require 'rubygems'
 require 'active_record'
@@ -11,12 +17,11 @@ require 'action_dispatch'
 CURRENT_PATH = File.expand_path(Dir.pwd)
 Rails::Generators.no_color!
 
-class GeneratorsTestCase < Test::Unit::TestCase
+class GeneratorsTestCase < ActiveSupport::TestCase
   include FileUtils
 
   def destination_root
-    @destination_root ||= File.expand_path(File.join(File.dirname(__FILE__),
-                                            '..', 'fixtures', 'tmp'))
+    File.join(Rails.root, "tmp")
   end
 
   def setup