# File lib/spec/example/example_group_methods.rb, line 131
      def run
        examples = examples_to_run
        reporter.add_example_group(self) unless examples_to_run.empty?
        return true if examples.empty?
        return dry_run(examples) if dry_run?

        plugin_mock_framework
        define_methods_from_predicate_matchers

        success, before_all_instance_variables = run_before_all
        success, after_all_instance_variables  = execute_examples(success, before_all_instance_variables, examples)
        success                                = run_after_all(success, after_all_instance_variables)
      end