Refactor scheduler factory test

Use `k8s.io/client-go/kubernetes/fake.Clientset` as the fake k8s client.

Signed-off-by: He Xiaoxi <xxhe@alauda.io>

pkg/kubectl/polymorphichelpers/logsforobject_test.go

@@ -253,7 +253,7 @@ func getLogsAction(namespace string, opts *corev1.PodLogOptions) testclient.Acti
 	action.Verb = "get"
 	action.Namespace = namespace
 	action.Resource = podsResource
-	action.Subresource = "logs"
+	action.Subresource = "log"
 	action.Value = opts
 	return action
 }