code: def setUp(self):
      gc.collect()
      torch.cuda.empty_cache()
  
imports: import gc
  import inspect
  import random
  import unittest
  import numpy
  import torch
  from transformers import CLIPTextConfig, CLIPTextModel, CLIPTokenizer
  from diffusers import AutoencoderKL, LatentConsistencyModelImg2ImgPipeline, LCMScheduler, UNet2DConditionModel
  from diffusers.utils.testing_utils import enable_full_determinism, floats_tensor, load_image, require_torch_gpu, slow, torch_device
  from ..pipeline_params import IMAGE_TO_IMAGE_IMAGE_PARAMS, TEXT_GUIDED_IMAGE_VARIATION_BATCH_PARAMS, TEXT_GUIDED_IMAGE_VARIATION_PARAMS
  from ..test_pipelines_common import PipelineLatentTesterMixin, PipelineTesterMixin
label_desc: Use image node_id 1 for calling the LatentConsistencyModelImg2ImgPipelineSlowTests obj's underlying member method code with example usage: obj.setUp() without return types