code: def setUp(self):
      super().setUp()
      np.random.seed(0)
      self.gaussian = np.random.normal(size=[100])
  
imports: import glob
  import os
  import numpy
  import tensorflow
  from tensorboard.compat import tf2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.histogram import metadata
  from tensorboard.plugins.histogram import summary
  from tensorboard.util import tensor_util
label_desc: Use image node_id 1 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj.setUp() without return types