code: def test_fp16_two_pass_algo_with_swish(self):
      self.verify_group_norm(cuda_group_norm_nhwc_two_pass, act="swish")
  
imports: import torch
  import unittest
label_desc: Use image node_id 6 for calling the GroupNormTest obj's underlying member method code with example usage: obj.test_fp16_two_pass_algo_with_swish() without return types