code: def test_frames_as_numpy_array_should_frames_as_numpy_array(self):
      batch = Batch(frames=create_dataframe_same(2))
      expected = list(np.ones((2, 1, 1)))
      actual = list(batch.column_as_numpy_array(batch.columns[0]))
      self.assertEqual(expected, actual)
  
imports: import unittest
  from test.util import create_dataframe, create_dataframe_same
  import numpy
  import pandas
  from evadb.models.storage.batch import Batch
  from evadb.parser.alias import Alias
label_desc: Use image node_id 2 for calling the BatchTest obj's underlying member method code with example usage: obj.test_frames_as_numpy_array_should_frames_as_numpy_array() without return types