if c.want != str {
				t.Errorf("want %s, got %s", c.want, str)
			}
		})
	}
}

// TestWorkloadEntryConfigureNilProxyMetadata tests a particular use case when the
// proxyMetadata is nil, no metadata would be generated at all.
func TestWorkloadEntryConfigureNilProxyMetadata(t *testing.T) {
	testdir := "testdata/vmconfig-nil-proxy-metadata"

			IncludeExtAuthz: c.IncludeExtAuthz,
			IPFamilies:      "IPv6",
			IPFamilyPolicy:  "SingleStack",
			DualStack:       true,
		}
		defaultConfigs = append(defaultConfigs, dSvc, eSvc)
	}

	sotw := `{"proxyMetadata": {"ISTIO_DELTA_XDS": "false"}}`

	if !t.Settings().Skip(echo.Sotw) {
		sotw := echo.Config{
			Service:        SotwSvc,
			ServiceAccount: true,
			Ports:          ports.All(),

	proxyConfig.DiscoveryAddress = "buffcon"

	// While the actual test runs on plain text, these are setup to build the default dial options
	// with out these it looks for default cert location and fails.
	proxyConfig.ProxyMetadata = map[string]string{
		MetadataClientCertChain: path.Join(env.IstioSrc, "tests/testdata/certs/pilot/cert-chain.pem"),
		MetadataClientCertKey:   path.Join(env.IstioSrc, "tests/testdata/certs/pilot/key.pem"),

		}
	}

	out, err := yaml.Marshal(iop)
	if err != nil {
		return "", err
	}

	return string(out), nil
}

var defaultSetFlagConvertPaths = []string{
	"meshConfig.defaultConfig.proxyMetadata",
}

// convertDefaultIOPMapValues converts default map[string]string values into string.
func convertDefaultIOPMapValues(outYAML string, setFlags []string) (string, error) {

		option.DiscoveryHost(discHost),
		option.Metadata(cfg.Metadata),
		option.XdsType(xdsType),
		option.MetadataDiscovery(bool(metadataDiscovery)),
		option.MetricsLocalhostAccessOnly(cfg.Metadata.ProxyConfig.ProxyMetadata),
		option.DeferredClusterCreation(features.EnableDeferredClusterCreation))

	// Add GCPProjectNumber to access in bootstrap template.
	md := cfg.Metadata.PlatformMetadata

		args.AppendSet("components.cni.enabled", "true")
	}

	if ctx.Settings().EnableDualStack {
		args.AppendSet("values.pilot.env.ISTIO_DUAL_STACK", "true")
		args.AppendSet("meshConfig.defaultConfig.proxyMetadata.ISTIO_DUAL_STACK", "true")
		args.AppendSet("values.gateways.istio-ingressgateway.ipFamilyPolicy", "RequireDualStack")
		args.AppendSet("values.gateways.istio-egressgateway.ipFamilyPolicy", "RequireDualStack")
	}