Add edit command testcases

pkg/kubectl/cmd/testdata/edit/testcase-create-list/2.edited

@@ -0,0 +1,22 @@
+# Please edit the object below. Lines beginning with a '#' will be ignored,
+# and an empty file will abort the edit. If an error occurs while saving this file will be
+# reopened with the relevant failures.
+#
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: svc2
+  name: svc2
+  namespace: edit-test
+spec:
+  ports:
+  - name: "80"
+    port: 80
+    protocol: TCP
+    targetPort: 81
+  selector:
+    app: svc2
+    new-label: new-value
+  sessionAffinity: None
+  type: ClusterIP