code: def test_kubernetes_decorator_validate_kube_labels(labels):
      assert validate_kube_labels(labels)
  
imports: import pytest
  from metaflow.plugins.kubernetes.kubernetes import KubernetesException, validate_kube_labels, parse_kube_keyvalue_list
label_desc: Use image node_id 1 for calling a global function with example usage: test_kubernetes_decorator_validate_kube_labels(labels) without return types