Remove deprecated calls to Dispatcher.to_prepare

actionpack/test/controller/dispatcher_test.rb

@@ -43,16 +43,11 @@ def test_leaves_dependencies_after_dispatch_if_not_in_loading_mode
     dispatch
   end
 
-  # Stub out dispatch error logger
-  class << Dispatcher
-    def log_failsafe_exception(status, exception); end
-  end
-
   def test_prepare_callbacks
     a = b = c = nil
-    Dispatcher.to_prepare { |*args| a = b = c = 1 }
-    Dispatcher.to_prepare { |*args| b = c = 2 }
-    Dispatcher.to_prepare { |*args| c = 3 }
+    ActionDispatch::Callbacks.to_prepare { |*args| a = b = c = 1 }
+    ActionDispatch::Callbacks.to_prepare { |*args| b = c = 2 }
+    ActionDispatch::Callbacks.to_prepare { |*args| c = 3 }
 
     # Ensure to_prepare callbacks are not run when defined
     assert_nil a || b || c
@@ -71,8 +66,8 @@ def test_prepare_callbacks
   end
 
   def test_to_prepare_with_identifier_replaces
-    Dispatcher.to_prepare(:unique_id) { |*args| Foo.a, Foo.b = 1, 1 }
-    Dispatcher.to_prepare(:unique_id) { |*args| Foo.a = 2 }
+    ActionDispatch::Callbacks.to_prepare(:unique_id) { |*args| Foo.a, Foo.b = 1, 1 }
+    ActionDispatch::Callbacks.to_prepare(:unique_id) { |*args| Foo.a = 2 }
 
     dispatch
     assert_equal 2, Foo.a

railties/test/console_app_test.rb

@@ -22,9 +22,9 @@ def test_app_method_should_return_integration_session
     def test_reload_should_fire_preparation_callbacks
       a = b = c = nil
 
-      Dispatcher.to_prepare { a = b = c = 1 }
-      Dispatcher.to_prepare { b = c = 2 }
-      Dispatcher.to_prepare { c = 3 }
+      ActionDispatch::Callbacks.to_prepare { a = b = c = 1 }
+      ActionDispatch::Callbacks.to_prepare { b = c = 2 }
+      ActionDispatch::Callbacks.to_prepare { c = 3 }
       ActionController::Routing::Routes.expects(:reload)
 
       reload!