1 files changed, 5 insertions, 3 deletions
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index 1af75fc2d7..d7b54c2abc 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -187,15 +187,17 @@ module ActionController
     end
   end
 
-  class TestSession < ActionDispatch::Session::AbstractStore::SessionHash #:nodoc:
-    DEFAULT_OPTIONS = ActionDispatch::Session::AbstractStore::DEFAULT_OPTIONS
+  class TestSession < Rack::Session::Abstract::SessionHash #:nodoc:
+    DEFAULT_OPTIONS = Rack::Session::Abstract::ID::DEFAULT_OPTIONS
 
     def initialize(session = {})
       replace(session.stringify_keys)
       @loaded = true
     end
 
-    def exists?; true; end
+    def exists?
+      true
+    end
   end
 
   # Superclass for ActionController functional tests. Functional tests allow you to