code: def setUp(self):
      super().setUp()
      np.random.seed(0)
      self.image_width = 20
      self.image_height = 15
      self.image_count = 1
      self.image_channels = 3
  
imports: import glob
  import os
  import numpy
  import tensorflow
  from tensorboard.compat import tf2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.image import metadata
  from tensorboard.plugins.image import summary
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