code: def test_image_count_zero(self):
      shape = (0, self.image_height, self.image_width, 3)
      data = np.array([], np.uint8).reshape(shape)
      pb = self.image("mona_lisa", data, max_outputs=3)
      self.assertEqual(1, len(pb.value))
      result = pb.value[0].tensor.string_val
      self.assertEqual(
          tf.compat.as_bytes(str(self.image_width)), result[0]
      )
      self.assertEqual(
          tf.compat.as_bytes(str(self.image_height)), result[1]
      )
      self.assertEqual(2, len(result))
  
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 9 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj.test_image_count_zero() without return types