code: def _assert_equal_dicts_of_arrays(self, d1, d2):
      assert d1.keys() == d2.keys()
      for k, v in d1.items():
          assert type(v) == np.ndarray
          assert np.array_equal(v, d2[k])
  
imports: from __future__ import annotations
  import pytest
  import datetime
  import io
  import numpy
  import pandas
  from bokeh.models import Selection
  from bokeh.util.serialization import convert_datetime_array
  from bokeh.util.warnings import BokehDeprecationWarning
  import bokeh.models.sources
label_desc: Use image node_id 38 for calling the TestColumnDataSource obj's underlying member method code with example usage: obj._assert_equal_dicts_of_arrays(d1, d2) without return types