code: def _generate_images(self, **kwargs):
      size = [
          kwargs.get("n", self.image_count),
          kwargs.get("h", self.image_height),
          kwargs.get("w", self.image_width),
          kwargs.get("c", self.image_channels),
      ]
      return np.random.uniform(low=0, high=255, size=size).astype(
          np.uint8
      )
  
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 2 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj._generate_images() and returns: np