Need type assertion because RESTClient() is now a method that returns and interface.

pkg/kubectl/cmd/testing/fake.go

@@ -417,18 +417,18 @@ func (f *fakeAPIFactory) ClientSet() (*internalclientset.Clientset, error) {
 	// version.
 	fakeClient := f.tf.Client.(*fake.RESTClient)
 	clientset := internalclientset.NewForConfigOrDie(f.tf.ClientConfig)
-	clientset.CoreClient.RESTClient.Client = fakeClient.Client
-	clientset.AuthenticationClient.RESTClient.Client = fakeClient.Client
-	clientset.AuthorizationClient.RESTClient.Client = fakeClient.Client
-	clientset.AutoscalingClient.RESTClient.Client = fakeClient.Client
-	clientset.BatchClient.RESTClient.Client = fakeClient.Client
-	clientset.CertificatesClient.RESTClient.Client = fakeClient.Client
-	clientset.ExtensionsClient.RESTClient.Client = fakeClient.Client
-	clientset.RbacClient.RESTClient.Client = fakeClient.Client
-	clientset.StorageClient.RESTClient.Client = fakeClient.Client
-	clientset.AppsClient.RESTClient.Client = fakeClient.Client
-	clientset.PolicyClient.RESTClient.Client = fakeClient.Client
-	clientset.DiscoveryClient.RESTClient.Client = fakeClient.Client
+	clientset.CoreClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.AuthenticationClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.AuthorizationClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.AutoscalingClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.BatchClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.CertificatesClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.ExtensionsClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.RbacClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.StorageClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.AppsClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.PolicyClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
+	clientset.DiscoveryClient.RESTClient().(*restclient.RESTClient).Client = fakeClient.Client
 	return clientset, f.tf.Err
 }