hide_original_method (Mocha::AnyInstanceMethod)

        # File lib/mocha/any_instance_method.rb, line 17
    17:     def hide_original_method
    18:       if method_exists?(method)
    19:         begin
    20:           stubbee.class_eval("alias_method :#{hidden_method}, :#{method}", __FILE__, __LINE__)
    21:         rescue NameError
    22:           # deal with nasties like ActiveRecord::Associations::AssociationProxy
    23:         end
    24:       end
    25:     end