1 files changed, 6 insertions, 10 deletions
diff --git a/railties/lib/rails/test_help.rb b/railties/lib/rails/test_help.rb
index 616206dd0b..c837fadb40 100644
--- a/railties/lib/rails/test_help.rb
+++ b/railties/lib/rails/test_help.rb
@@ -4,24 +4,20 @@ abort("Abort testing: Your Rails environment is running in production mode!") if
 
 require 'active_support/testing/autorun'
 require 'active_support/test_case'
+require 'action_controller'
 require 'action_controller/test_case'
 require 'action_dispatch/testing/integration'
+require 'rails/generators/test_case'
 
 # Config Rails backtrace in tests.
 require 'rails/backtrace_cleaner'
-MiniTest.backtrace_filter = Rails.backtrace_cleaner
-
-# Enable turn if it is available
-begin
-  require 'turn'
-
-  Turn.config do |c|
-    c.natural = true
-  end
-rescue LoadError
+if ENV["BACKTRACE"].nil?
+  Minitest.backtrace_filter = Rails.backtrace_cleaner
 end
 
 if defined?(ActiveRecord::Base)
+  ActiveRecord::Migration.maintain_test_schema!
+
   class ActiveSupport::TestCase
     include ActiveRecord::TestFixtures
     self.fixture_path = "#{Rails.root}/test/fixtures/"