code: def test_random(self):
      x = getattr(sparse, self.random_method)(
          3, 4, density=0.1, format=self.format, dtype=self.dtype
      )
      assert x.shape == (3, 4)
      assert x.dtype == self.dtype
      assert x.format == self.format
  
imports: import functools
  import re
  from unittest import mock
  import numpy
  import pytest
  import cupy
  from cupy import testing
  from cupy.cuda import runtime
  from cupyx.scipy import sparse
  from cupyx.scipy.sparse import _construct
label_desc: Use image node_id 1 for calling the TestRandom obj's underlying member method code with example usage: obj.test_random() without return types