code: def test_step_continuous(self, step_fn, draws):
      self.step_continuous(step_fn, draws)
  
imports: import pytensor
  import pytest
  import pymc
  from pymc.step_methods import NUTS, CompoundStep, DEMetropolis, HamiltonianMC, Metropolis, Slice
  from pymc.step_methods.compound import BlockedStep, StatsBijection, flatten_steps, get_stats_dtypes_shapes_from_steps, infer_warn_stats_info
  from pymc.testing import fast_unstable_sampling_mode
  from tests.helpers import StepMethodTester
  from tests.models import simple_2model_continuous
label_desc: Use image node_id 1 for calling the TestStepCompound obj's underlying member method code with example usage: obj.test_step_continuous(step_fn, draws) without return types