Merge pull request #22469 from merhard/fix_custom_file_loader_test

Fix failing test using custom file watcher

railties/test/application/loading_test.rb

@@ -169,6 +169,8 @@ def self.counter; 2; end
       config.file_watcher = Class.new do
         def initialize(*); end
         def updated?; false; end
+        def execute; end
+        def execute_if_updated; false; end
       end
     RUBY