content: from kopf import BaseRegistry, SimpleRegistry, GlobalRegistry
  
  
  def test_creation_of_simple():
      registry = SimpleRegistry()
      assert isinstance(registry, BaseRegistry)
      assert isinstance(registry, SimpleRegistry)
  
  
  def test_creation_of_global():
      registry = GlobalRegistry()
      assert isinstance(registry, BaseRegistry)
      assert isinstance(registry, GlobalRegistry)
  