restore_original_method (Mocha::AnyInstanceMethod)

        # File lib/mocha/any_instance_method.rb, line 35
    35:     def restore_original_method
    36:       if method_exists?(hidden_method)
    37:         begin
    38:           stubbee.class_eval("alias_method :#{method}, :#{hidden_method}; remove_method :#{hidden_method}", __FILE__, __LINE__)
    39:         rescue NameError
    40:           # deal with nasties like ActiveRecord::Associations::AssociationProxy
    41:         end
    42:       end
    43:     end