code: def test_real(self, xp, dtype):
      x = testing.shaped_arange((2, 3), xp, dtype)
      return x.real
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestRealImag obj's underlying member method code with example usage: obj.test_real(xp, dtype) and returns: x