1 files changed, 2 insertions, 0 deletions
diff --git a/railties/test/application/rack/logger_test.rb b/railties/test/application/rack/logger_test.rb
index a77c6f472c..46fd09cb26 100644
--- a/railties/test/application/rack/logger_test.rb
+++ b/railties/test/application/rack/logger_test.rb
@@ -5,6 +5,7 @@ require "rack/test"
 module ApplicationTests
   module RackTests
     class LoggerTest < ActiveSupport::TestCase
+      include ActiveSupport::Testing::Isolation
       include ActiveSupport::LogSubscriber::TestHelper
       include Rack::Test::Methods
 
@@ -17,6 +18,7 @@ module ApplicationTests
       end
 
       def teardown
+        super
         teardown_app
       end