code: def test_log(self, device, dtype, batch_size):
      t = self._make_rand_data(device, dtype, (batch_size, 2))
      s = Se2(So2.identity(batch_size, device, dtype), t)
      s.log()
      zero_vec = torch.zeros(3, device=device, dtype=dtype)
      if batch_size is not None:
          zero_vec = zero_vec.repeat(batch_size, 1)
      self.assert_close(s.log(), zero_vec)
  
imports: import pytest
  import torch
  from kornia.geometry.liegroup import Se2, So2
  from kornia.geometry.vector import Vector2
  from kornia.testing import BaseTester
label_desc: Use image node_id 13 for calling the TestSe2 obj's underlying member method code with example usage: obj.test_log(device, dtype, batch_size) without return types