Check the existence of the expected service when ignoring the NodePort already allocated error

Check the existence of the expected service when ignoring the NodePort already allocated error

Fixes 2308

Signed-off-by: Wenkai Yin(尹文开) <yinw@vmware.com>

pkg/test/resources.go

@@ -162,3 +162,14 @@ func VSLs(items ...metav1.Object) *APIResource {
 		Items:      items,
 	}
 }
+
+func Services(items ...metav1.Object) *APIResource {
+	return &APIResource{
+		Group:      "",
+		Version:    "v1",
+		Name:       "services",
+		ShortName:  "svc",
+		Namespaced: true,
+		Items:      items,
+	}
+}