code: def test_date():
      assert DateFilter("foo", "D", None).build_filter() is None
  
file_path: dtale/tests/dtale/test_column_filters.py
imports: import re
  import pandas
  import pytest
  from dtale.column_filters import DateFilter, NumericFilter, StringFilter
  from dtale.pandas_util import check_pandas_version
  from dtale.query import run_query
label_desc: Use image node_id 2 for calling a global function with example usage: test_date() without return types