code: def test_column_vector_multid_array():
      assert not is_column_vector(np.random.rand(10, 2))
  
imports: import pytest
  import numpy
  from sklearn_evaluation.util import _can_iterate, is_column_vector, is_row_vector, _group_by, _product, _mapping_to_tuple_pairs, map_parameters_in_fn_call
label_desc: Use image node_id 10 for calling a global function with example usage: test_column_vector_multid_array() without return types