code: def random_distrib_complex_test_data(self):
      smoke_data = [
          dict(
              func_name="random.rand",
              args=(2,),
          ),
          dict(func_name="random.uniform", kwargs={"size": (2,)}),
          dict(func_name="random.normal", kwargs={"size": (2,)}),
          dict(
              func_name="random.multivariate_normal",
              args=(gs.zeros(2), SPDMatrices(2).random_point()),
              kwargs={"size": (2,)},
          ),
      ]
  
      return self.generate_tests(smoke_data)
  
imports: import numpy
  import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.spd_matrices import SPDMatrices
  from geomstats.geometry.symmetric_matrices import SymmetricMatrices
  from geomstats.test.data import TestData
label_desc: Use image node_id 19 for calling the DtypeTestData obj's underlying member method code with example usage: obj.random_distrib_complex_test_data() and returns: self