Workaround https://github.com/rspec/rspec-mocks/issues/1348

Author: ojab

lib/draper/helper_proxy.rb

@@ -10,7 +10,7 @@ def initialize(view_context)
     # Sends helper methods to the view context.
     def method_missing(method, *args, &block)
       self.class.define_proxy method
-      send(method, *args, &block)
+      view_context.send(method, *args, &block)
     end
 
     # Checks if the context responds to an instance method, or is able to