code: def testSavpVAE(self):
      savp_hparams = savp_params.next_frame_savp()
      savp_hparams.use_vae = True
      savp_hparams.use_gan = False
      self.TestOnVariousInputOutputSizes(
          savp_hparams, savp.NextFrameSAVP, 1
      )
      self.TestOnVariousUpSampleLayers(
          savp_hparams, savp.NextFrameSAVP, 1
      )
  
file_path: tensor2tensor/tensor2tensor/models/video/savp_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.models.video import savp
  from tensor2tensor.models.video import savp_params
  from tensor2tensor.models.video import tests_utils
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the NextFrameTest obj's underlying member method code with example usage: obj.testSavpVAE() without return types