    # 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