code: def test_imag_setter_zero_dim(self, xp, dtype):
      x = xp.array(1, dtype=dtype)
      x.imag = 2
      return x
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 11 for calling the TestRealImag obj's underlying member method code with example usage: obj.test_imag_setter_zero_dim(xp, dtype) and returns: x