2 files changed, 3 insertions, 2 deletions
diff --git a/railties/test/application/assets_test.rb b/railties/test/application/assets_test.rb
index 802b737483..38dd3f5a3f 100644
--- a/railties/test/application/assets_test.rb
+++ b/railties/test/application/assets_test.rb
@@ -80,7 +80,7 @@ module ApplicationTests
         Dir.chdir(app_path){ `bundle exec rake assets:clean` }
       end
 
-      files = Dir["#{app_path}/public/assets/**/*"]
+      files = Dir["#{app_path}/public/assets/**/*", "#{app_path}/tmp/cache/*"]
       assert_equal 0, files.length, "Expected no assets, but found #{files.join(', ')}"
     end
 
diff --git a/railties/test/application/middleware/sendfile_test.rb b/railties/test/application/middleware/sendfile_test.rb
index c7a1c573f9..d2ad2668bb 100644
--- a/railties/test/application/middleware/sendfile_test.rb
+++ b/railties/test/application/middleware/sendfile_test.rb
@@ -27,11 +27,12 @@ module ApplicationTests
     end
 
     # x_sendfile_header middleware
-    test "config.action_dispatch.x_sendfile_header defaults to ''" do
+    test "config.action_dispatch.x_sendfile_header defaults to nil" do
       make_basic_app
       simple_controller
 
       get "/"
+      assert !last_response.headers["X-Sendfile"]
       assert_equal File.read(__FILE__), last_response.body
     end