1 files changed, 5 insertions, 7 deletions
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index d14483dc72..39cbc0cd70 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -39,10 +39,6 @@ module ActionController
       set_header Rack::QUERY_STRING, string
     end
 
-    def request_parameters=(params)
-      set_header "action_dispatch.request.request_parameters", params
-    end
-
     def content_type=(type)
       set_header 'CONTENT_TYPE', type
     end
@@ -102,7 +98,9 @@ module ActionController
         set_header 'rack.input', StringIO.new(data)
       end
 
-      @env["PATH_INFO"] ||= generated_path
+      get_header("PATH_INFO") do |k|
+        set_header k, generated_path
+      end
       path_parameters[:controller] = controller_path
       path_parameters[:action] = action
 
@@ -176,8 +174,8 @@ module ActionController
       clear
     end
 
-    def fetch(*args, &block)
-      @data.fetch(*args, &block)
+    def fetch(key, *args, &block)
+      @data.fetch(key.to_s, *args, &block)
     end
 
     private