fix some unsatisfied. (#8746)

* fix some unsatisfied.

* fix

* add mysql-pv.yaml for run-single-instance-stateful-application

* fix some errors.

test/examples_test.go

@@ -474,7 +474,8 @@ func TestExampleObjectSchemas(t *testing.T) {
 			"deployment-update":     {&extensions.Deployment{}},
 			"hpa-php-apache":        {&autoscaling.HorizontalPodAutoscaler{}},
 			"mysql-configmap":       {&api.ConfigMap{}},
-			"mysql-deployment":      {&api.Service{}, &api.PersistentVolumeClaim{}, &extensions.Deployment{}},
+			"mysql-deployment":      {&api.Service{}, &extensions.Deployment{}},
+			"mysql-pv":      {&api.PersistentVolume{}, &api.PersistentVolumeClaim{}},
 			"mysql-services":        {&api.Service{}, &api.Service{}},
 			"mysql-statefulset":     {&apps.StatefulSet{}},
 		},