code: def test_concat_tensor_dict_list():
      results = concat_tensor_dict_list(data)
      assert results["obs"].shape == (6,)
      assert results["act"].shape == (6,)
      assert results["info"]["lala"].shape == (4,)
      assert results["info"]["baba"].shape == (4,)
  
      results = concat_tensor_dict_list(data2)
      assert results["obs"].shape == (6,)
      assert results["act"].shape == (6,)
      assert results["info"]["lala"].shape == (4,)
      assert results["info"]["baba"].shape == (2,)
  
file_path: garage/tests/garage/np/test_functions.py
imports: import warnings
  import numpy
  from garage.np import concat_tensor_dict_list, explained_variance_1d, pad_batch_array, pad_tensor, stack_and_pad_tensor_dict_list, stack_tensor_dict_list
label_desc: Use image node_id 1 for calling a global function with example usage: test_concat_tensor_dict_list() without return types