1 files changed, 6 insertions, 0 deletions
diff --git a/railties/test/application/rackup_test.rb b/railties/test/application/rackup_test.rb
index b0a9925890..885355fd46 100644
--- a/railties/test/application/rackup_test.rb
+++ b/railties/test/application/rackup_test.rb
@@ -11,10 +11,16 @@ module ApplicationTests
     end
 
     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
+
     test "rails app is present" do
       assert File.exist?(app_path("config"))
     end