code: def test_convert_pd_dask_inverse(pd_fixture):
      """Tests conversions from pandas from/to dask are inverses."""
      dask_result = convert_pandas_to_dask(pd_fixture)
      back_result = convert_dask_to_pandas(dask_result)
  
      assert pd_fixture.equals(back_result)
  
imports: from copy import deepcopy
  import pandas
  import pytest
  from sktime.datatypes._adapter.dask_to_pd import convert_dask_to_pandas, convert_pandas_to_dask
  from sktime.utils.validation._dependencies import _check_soft_dependencies
label_desc: Use image node_id 3 for calling a global function with example usage: test_convert_pd_dask_inverse(pd_fixture) without return types