code: def test_load_numpy3d(loader, split):
      """Test that we can load equal length TSC problems into numpy3d."""
      X, y = loader(split=split, return_type="numpy3d")
      assert isinstance(X, np.ndarray)
      assert isinstance(y, np.ndarray)
      assert X.ndim == 3
      assert y.ndim == 1
  
imports: import numpy
  import pandas
  import pytest
  from sktime.datasets import load_acsf1, load_arrow_head, load_basic_motions, load_italy_power_demand, load_japanese_vowels, load_osuleaf, load_plaid, load_tecator, load_unit_test
label_desc: Use image node_id 2 for calling a global function with example usage: test_load_numpy3d(loader, split) without return types