# File lib/rspec/core/example_group.rb, line 220
      def self.run_examples(instance, reporter)
        filtered_examples.map do |example|
          begin
            set_ivars(instance, before_all_ivars)
            example.run(instance, reporter)
          ensure
            clear_ivars(instance)
            clear_memoized(instance)
          end
        end.all?
      end