code: def test_default_params_file_not_exist(tmp_dir, dvc):
      d = {"vars": [DATA["models"]]}
      resolver = DataResolver(dvc, tmp_dir.fs_path, d)
      assert resolver.context == d["vars"][0]
  
imports: from copy import deepcopy
  import pytest
  from dvc.parsing import DEFAULT_PARAMS_FILE, DataResolver, ResolveError
  from dvc.parsing.context import Context
  from dvc.utils.serialize import dumps_yaml
  from .None import CONTEXT_DATA, RESOLVED_DVC_YAML_DATA, TEMPLATED_DVC_YAML_DATA
label_desc: Use image node_id 2 for calling a global function with example usage: test_default_params_file_not_exist(tmp_dir, dvc) without return types