code: def test_new_warnings(self):
      with pm.Model() as pmodel:
          with pytest.warns(
              FutureWarning, match="`testval` argument is deprecated"
          ):
              rv = pm.Uniform("u", 0, 1, testval=0.75)
              initial_point = pmodel.initial_point(random_seed=0)
              assert initial_point["u_interval__"] == transform_fwd(
                  rv, 0.75, model=pmodel
              )
              assert not hasattr(rv.tag, "test_value")
      pass
  
imports: import cloudpickle
  import numpy
  import pytensor
  import pytensor.tensor
  import pytest
  from pytensor.tensor.random.op import RandomVariable
  import pymc
  from pymc.distributions.distribution import moment
  from pymc.initial_point import make_initial_point_fn, make_initial_point_fns_per_chain
label_desc: Use image node_id 2 for calling the TestInitvalAssignment obj's underlying member method code with example usage: obj.test_new_warnings() without return types