code: def test_dimensions(self):
      self._test_dimensions(self._generate_images(c=1))
      self._test_dimensions(self._generate_images(c=2))
      self._test_dimensions(self._generate_images(c=3))
      self._test_dimensions(self._generate_images(c=4))
  
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 8 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj.test_dimensions() without return types