}
	b, err := os.ReadFile(filename)
	if err != nil {
		return nil, err
	}
	return b, nil
}

// CreateCustomEgressSecret creates a k8s secret "cacerts" to store egress gateways CA key and cert.
func CreateCustomEgressSecret(ctx resource.Context) error {
	name := "egress-gw-cacerts"
	systemNs, err := istio.ClaimSystemNamespace(ctx)
	if err != nil {
		return err
	}

	customConfig    []echo.Config
)

func TestMain(m *testing.M) {
	// nolint: staticcheck
	framework.
		NewSuite(m).
		Label(label.CustomSetup).
		Setup(istio.Setup(&inst, setupConfig, cert.CreateCustomEgressSecret)).
		Setup(namespace.Setup(&appNS, namespace.Config{Prefix: "appns", Inject: true})).
		Setup(namespace.Setup(&serviceNS, namespace.Config{Prefix: "serverns", Inject: true})).
		Setup(func(ctx resource.Context) error {