code: def test_real_inplace(self, dtype):
      x = cupy.zeros((2, 3), dtype=dtype)
      x.real[:] = 1
      expected = cupy.ones((2, 3), dtype=dtype)
      assert cupy.all(x == expected)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 14 for calling the TestRealImag obj's underlying member method code with example usage: obj.test_real_inplace(dtype) without return types