code: def setUp(self):
      self.a_list = [[1, 2], [3, 4]]
      self.pairs_to_test = [
          ("t1", ["c1", "c2"]),
          ("t2", ["c1", "c2", "c3"]),
      ]
      self.pair_to_test_one_concept = [("t1", ["c1"]), ("t1", ["c2"])]
  
file_path: tcav/tcav/utils_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensorflow.python.platform import googletest
  from tcav.tcav_results.results_pb2 import Result, Results
  from tcav.utils import flatten, process_what_to_run_expand, process_what_to_run_concepts, process_what_to_run_randoms, results_to_proto
label_desc: Use image node_id 1 for calling the UtilsTest obj's underlying member method code with example usage: obj.setUp() without return types