code: def test_loc_setitem_nested_data_enlargement():
      # GH#48614
      df = DataFrame({"a": [1]})
      ser = Series({"label": df})
      ser.loc["new_label"] = df
      expected = Series({"label": df, "new_label": df})
      tm.assert_series_equal(ser, expected)
  
imports: from datetime import timedelta
  import re
  import numpy
  import pytest
  from pandas.errors import IndexingError
  from pandas import NA, DataFrame, Index, IndexSlice, MultiIndex, NaT, Series, Timedelta, Timestamp, concat, date_range, isna, period_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 28 for calling a global function with example usage: test_loc_setitem_nested_data_enlargement() without return types