code: def test_conjugate(self, xp, dtype):
      x = testing.shaped_arange((2, 3), xp, dtype)
      return x.conjugate()
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 3 for calling the TestConj obj's underlying member method code with example usage: obj.test_conjugate(xp, dtype) and returns: x