file_path: llmga/llmga/diffusers/tests/models/test_models_vq.py
imports: import unittest
  import torch
  from diffusers import VQModel
  from diffusers.utils.testing_utils import enable_full_determinism, floats_tensor, torch_device
  from .test_modeling_common import ModelTesterMixin, UNetTesterMixin
label_desc: Use image node_id 8 for calling the VQModelTests obj's underlying member method code with example usage: obj.test_output_pretrained() without return types