class_docstr: Test svt model
class_docstr_tok: ["Test","svt","model"]
code: def test_svt(self):
      video = torch.randn(1, 3, 8, 32, 32).to(self.device)
      model = svt.create_model(
          model_name="svt_vitb_k400", pretrained=False, img_size=32
      )
      feats = model.forward_features(video)
      output = model(video)
      self.assertTrue(feats.shape == (1, 768))
      self.assertTrue(output.shape == (1, 400))
  
imports: import unittest
  import torch
  from towhee.models import svt
label_desc: Use image node_id 1 for calling the TestSVT obj's underlying member method code with example usage: obj.test_svt() without return types