Update kubectl e2e test manifests to apps/v1

test/e2e/testing-manifests/kubectl/nginx-deployment1.yaml.in

-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-deployment
 spec:
   replicas: 2
+  selector:
+    matchLabels:
+      app: nginx
   template:
     metadata:
       labels:
@@ -13,4 +16,4 @@ spec:
       - name: nginx
         image: {{.NginxSlimNewImage}}
         ports:
-        - containerPort: 80
\ No newline at end of file
+        - containerPort: 80

test/e2e/testing-manifests/kubectl/nginx-deployment2.yaml.in

-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-deployment
 spec:
+  selector:
+    matchLabels:
+      app: nginx
   template:
     metadata:
       labels:
@@ -12,4 +15,4 @@ spec:
       - name: nginx
         image: {{.NginxSlimNewImage}}
         ports:
-        - containerPort: 80
\ No newline at end of file
+        - containerPort: 80

test/e2e/testing-manifests/kubectl/nginx-deployment3.yaml.in

-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-deployment
 spec:
+  selector:
+    matchLabels:
+      app: nginx
   template:
     metadata:
       labels:
@@ -12,4 +15,4 @@ spec:
       - name: nginx
         image: {{.NginxSlimImage}}
         ports:
-        - containerPort: 80
\ No newline at end of file
+        - containerPort: 80

test/e2e/testing-manifests/statefulset/cassandra/statefulset.yaml

-apiVersion: "apps/v1"
+apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: cassandra
 spec:
   serviceName: cassandra
   replicas: 3
+  selector:
+    matchLabels:
+      app: cassandra
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/cassandra/tester.yaml

-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: cassandra-test-server
 spec:
   replicas: 3
+  selector:
+    matchLabels:
+      app: test-server
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/cockroachdb/statefulset.yaml

@@ -5,6 +5,9 @@ metadata:
 spec:
   serviceName: "cockroachdb"
   replicas: 3
+  selector:
+    matchLabels:
+      app: cockroachdb
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/etcd/statefulset.yaml

@@ -7,6 +7,9 @@ metadata:
 spec:
   serviceName: etcd
   replicas: 3
+  selector:
+    matchLabels:
+      app: etcd
   template:
     metadata:
       name: etcd

test/e2e/testing-manifests/statefulset/etcd/tester.yaml

-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: etcd-test-server
 spec:
   replicas: 3
+  selector:
+    matchLabels:
+      app: test-server
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/mysql-galera/statefulset.yaml

@@ -5,6 +5,9 @@ metadata:
 spec:
   serviceName: "galera"
   replicas: 3
+  selector:
+    matchLabels:
+      app: mysql
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/mysql-upgrade/statefulset.yaml

@@ -5,6 +5,9 @@ metadata:
 spec:
   serviceName: mysql
   replicas: 3
+  selector:
+    matchLabels:
+      app: mysql
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/mysql-upgrade/tester.yaml

-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: mysql-test-server
 spec:
   replicas: 3
+  selector:
+    matchLabels:
+      app: test-server
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/redis/statefulset.yaml

@@ -5,6 +5,9 @@ metadata:
 spec:
   serviceName: "redis"
   replicas: 3
+  selector:
+    matchLabels:
+      app: redis
   template:
     metadata:
       labels:

test/e2e/testing-manifests/statefulset/zookeeper/statefulset.yaml

@@ -5,6 +5,9 @@ metadata:
 spec:
   serviceName: "zk"
   replicas: 3
+  selector:
+    matchLabels:
+      app: zk
   template:
     metadata:
       labels: