code: def test_complex(self, dtype):
      a = testing.shaped_random(self.shape, self.xp, dtype)
      assert self.xp.all(0 <= a.real)
      assert self.xp.all(a.real < 10)
      assert self.xp.all(0 <= a.imag)
      assert self.xp.all(a.imag < 10)
      if 0 not in self.shape:
          assert self.xp.any(a.imag)
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy import testing
label_desc: Use image node_id 3 for calling the TestShapedRandom obj's underlying member method code with example usage: obj.test_complex(dtype) without return types