config, err := c.configRootCAs(nil)
	if err != nil {
		t.Errorf(
			"failed configRootCAs:\n\texpected: has no error\n\tactual:%v",
			err,
		)
	}
	if config.RootCAs == nil {
		t.Errorf(
			"failed configRootCAs:\n\texpected: RootCAs not equal to nil\n\tactual:%v",
			config.RootCAs,
		)
	}
}

			continue
		}
	}

	return nil, errorList
}

// configRootCAs configures and returns a reference to tls.Config instance if CAFile is provided
func (evc ExternalEtcdVersionCheck) configRootCAs(config *tls.Config) (*tls.Config, error) {
	var CACertPool *x509.CertPool
	if evc.Etcd.External.CAFile != "" {