code: def test_import_schema():
      import_xformer_config_schema()
      cs = ConfigStore.instance()
      groups = cs.list("xformers")
      # check all groups registered
      assert groups == ["attention", "ff", "pe"]
      # check the attention is registered
      attentions = cs.list("xformers/attention")
      assert "favor_schema.yaml" in attentions
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_import_schema() without return types