code: def test_array_to_timedelta64_string_with_unit_2d_raises(self):
      # check the 'unit is not None and errors != "coerce"' path
      #  in array_to_timedelta64 raises correctly with 2D values
      values = np.array([["1", 2], [3, "4"]], dtype=object)
      with pytest.raises(
          ValueError, match="unit must not be specified"
      ):
          array_to_timedelta64(values, unit="s")
  
file_path: pandas/pandas/tests/tslibs/test_timedeltas.py
imports: import re
  import numpy
  import pytest
  from pandas._libs.tslibs.timedeltas import array_to_timedelta64, delta_to_nanoseconds, ints_to_pytimedelta
  from pandas import Timedelta, offsets
  import pandas._testing
label_desc: Use image node_id 1 for calling the TestArrayToTimedelta64 obj's underlying member method code with example usage: obj.test_array_to_timedelta64_string_with_unit_2d_raises() without return types