1 files changed, 6 insertions, 0 deletions
diff --git a/railties/test/application/loading_test.rb b/railties/test/application/loading_test.rb
index c340465e87..5e7e16733e 100644
--- a/railties/test/application/loading_test.rb
+++ b/railties/test/application/loading_test.rb
@@ -4,10 +4,16 @@ class LoadingTest < Test::Unit::TestCase
   include ActiveSupport::Testing::Isolation
 
   def setup
+    @prev_rails_env = ENV['RAILS_ENV']
+    ENV['RAILS_ENV'] = 'development'
     build_app
     boot_rails
   end
 
+  def teardown
+    ENV['RAILS_ENV'] = @prev_rails_env
+  end
+
   def app
     @app ||= Rails.application
   end