code: def setUp(self):
      self._num_concurrent_runs = 3
      self._dump_roots = []
      for _ in range(self._num_concurrent_runs):
          self._dump_roots.append(tempfile.mkdtemp())
  
imports: import os
  import tempfile
  from tensorflow.core.protobuf import config_pb2
  from tensorflow.python.client import session
  from tensorflow.python.debug.lib import debug_data
  from tensorflow.python.debug.lib import debug_utils
  from tensorflow.python.debug.lib import session_debug_testlib
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.lib.io import file_io
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variable_v1
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 1 for calling the SessionDebugConcurrentTest obj's underlying member method code with example usage: obj.setUp() without return types