code: def test_interp_array_list_interpval():
      assert (
          helpers.interp_array_list(
              [np.array([[1, 2, 3], [1, 2, 3], [1, 2, 3]])],
              interp_val=10,
          )[0].shape[0]
          == 20
      )
  
file_path: hypertools/tests/test_helpers.py
imports: import numpy
  import hypertools._shared.helpers
label_desc: Use image node_id 9 for calling a global function with example usage: test_interp_array_list_interpval() without return types