code: def test_load_from_raises_if_file_not_exist(tmp_dir, dvc):
      with pytest.raises(ParamsLoadError) as exc_info:
          Context.load_from(dvc.fs, DEFAULT_PARAMS_FILE)
  
      assert str(exc_info.value) == "'params.yaml' does not exist"
  
imports: from dataclasses import asdict
  from math import pi
  import pytest
  from dvc.fs import LocalFileSystem
  from dvc.parsing import DEFAULT_PARAMS_FILE
  from dvc.parsing.context import Context, CtxDict, CtxList, KeyNotInContext, MergeError, ParamsLoadError, Value, recurse_not_a_node
  from dvc.utils import relpath
  from dvc.utils.serialize import dumps_yaml
label_desc: Use image node_id 19 for calling a global function with example usage: test_load_from_raises_if_file_not_exist(tmp_dir, dvc) without return types