code: def test_combine_datetlike_udf(self, data):
      # GH#23079
      df = pd.DataFrame({"A": data})
      other = df.copy()
      df.iloc[1, 0] = None
  
      def combiner(a, b):
          return b
  
      result = df.combine(other, combiner)
      tm.assert_frame_equal(result, other)
  
imports: import numpy
  import pytest
  import pandas
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestCombine obj's underlying member method code with example usage: obj.test_combine_datetlike_udf(data) and returns: b