# File lib/rails/controller/testing/template_assertions.rb, line 64
        def reset_template_assertion
          RENDER_TEMPLATE_INSTANCE_VARIABLES.each do |instance_variable|
            ivar_name = "@_#{instance_variable}"
            if instance_variable_defined?(ivar_name)
              instance_variable_get(ivar_name).clear
            end
          end
        end