2 files changed, 12 insertions, 2 deletions
diff --git a/actionpack/test/controller/integration_test.rb b/actionpack/test/controller/integration_test.rb
index e2239c05c7..72b882539c 100644
--- a/actionpack/test/controller/integration_test.rb
+++ b/actionpack/test/controller/integration_test.rb
@@ -751,13 +751,17 @@ class UrlOptionsIntegrationTest < ActionDispatch::IntegrationTest
     assert_equal "http://bar.com/foo", foos_url
   end
 
-  test "test can override default url options" do
+  def test_can_override_default_url_options
+    original_host = default_url_options.dup
+
     default_url_options[:host] = "foobar.com"
     assert_equal "http://foobar.com/foo", foos_url
 
     get "/bar"
     assert_response :success
     assert_equal "http://foobar.com/foo", foos_url
+  ensure
+    ActionDispatch::Integration::Session.default_url_options = self.default_url_options = original_host
   end
 
   test "current request path parameters are recalled" do
diff --git a/actionpack/test/controller/localized_templates_test.rb b/actionpack/test/controller/localized_templates_test.rb
index 41ff2f3809..bac1d02977 100644
--- a/actionpack/test/controller/localized_templates_test.rb
+++ b/actionpack/test/controller/localized_templates_test.rb
@@ -9,14 +9,20 @@ class LocalizedTemplatesTest < ActionController::TestCase
   tests LocalizedController
 
   def test_localized_template_is_used
+    old_locale = I18n.locale
     I18n.locale = :de
     get :hello_world
     assert_equal "Gutten Tag", @response.body
+  ensure
+    I18n.locale = old_locale
   end
 
   def test_default_locale_template_is_used_when_locale_is_missing
+    old_locale = I18n.locale
     I18n.locale = :dk
     get :hello_world
     assert_equal "Hello World", @response.body
+  ensure
+    I18n.locale = old_locale
   end
-end
-\ No newline at end of file
+end