code: def test_random_distrib_complex(
      self, func_name, args=(), kwargs=None
  ):
      self._reset_dtype()
      kwargs = kwargs or {}
  
      gs_fnc = get_backend_fnc(func_name)
  
      dtype = gs.as_dtype("complex128")
      out = gs_fnc(*args, **kwargs, dtype=dtype)
  
      self.assertDtype(out.dtype, dtype)
      self.assertTrue(
          gs.sum(gs.abs(gs.imag(out))) > gs.atol,
          msg="Zero imaginary part",
      )
  
imports: import random
  import numpy
  import pytest
  import scipy
  import geomstats.backend
  from geomstats.test.test_case import TestCase
  from geomstats.test.vectorization import generate_vectorization_data
label_desc: Use image node_id 22 for calling the DtypeTestCase obj's underlying member method code with example usage: obj.test_random_distrib_complex(func_name, args, kwargs) without return types