class_docstr: A base class for tests that operate on GraphsNP or GraphsTF.
class_docstr_tok: ["A","base","class","for","tests","that","operate","on","GraphsNP","or","GraphsTF","."]
code: def setUp(self):
      self._populate_test_data(max_size=2)
  
file_path: graph_nets/graph_nets/tests_tf2/test_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import contextlib
  import itertools
  from graph_nets import graphs
  from graph_nets import utils_np
  import numpy
  import tensorflow
label_desc: Use image node_id 3 for calling the GraphsTest obj's underlying member method code with example usage: obj.setUp() without return types