code: def test_add_word_number_space():
      df = pd.DataFrame(dict(foo=["a999b"]))
      data_id, column_type = "1", "cleaning"
      i = 0
      build_data_inst({data_id: df})
      cfg = {"col": "foo", "cleaners": ["add_word_number_space"]}
      builder = ColumnBuilder(
          data_id, column_type, "Col{}".format(++i), cfg
      )
      verify_builder(builder, lambda col: col.values[0] == "a 999 b")
  
imports: import pandas
  import pytest
  from dtale.column_builders import ColumnBuilder
  from tests.dtale import build_data_inst
  from tests.dtale.column_builders.test_column_builders import verify_builder
label_desc: Use image node_id 10 for calling a global function with example usage: test_add_word_number_space() without return types