},
		},
	}

	configs := []config.Config{}
	if c.destRule != nil {
		configs = append(configs, config.Config{
			Meta: config.Meta{
				GroupVersionKind: gvk.DestinationRule,
				Name:             "acme",
			},
			Spec: c.destRule,
		})
	}
	if c.sidecar != nil {
		configs = append(configs, config.Config{
			Meta: config.Meta{
				GroupVersionKind: gvk.Sidecar,
				Name:             "default",

					},
				},
			}

			var cfg *config.Config
			if tt.destRule != nil {
				cfg = &config.Config{
					Meta: config.Meta{
						GroupVersionKind: gvk.DestinationRule,
						Name:             "acme",
						Namespace:        "default",
					},
					Spec: tt.destRule,
				}
			}
			cg := NewConfigGenTest(t, TestOptions{
				Instances:      instances,
				ConfigPointers: []*config.Config{cfg},

	if err != nil {
		return nil, nil, fmt.Errorf("failed to generate serial number: %w", err)
	}

	template := x509.Certificate{
		SerialNumber: serialNumber,
		Subject: pkix.Name{
			Organization: []string{"Acme Co"},
		},
		NotBefore: notBefore,
		NotAfter:  notAfter,

		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,