code: def test_variance_type(self):
      for variance in ["fixed_small", "fixed_large", "other"]:
          self.check_over_configs(variance_type=variance)
  
imports: import inspect
  import tempfile
  import unittest
  from typing import Dict, List, Tuple
  from diffusers import FlaxDDIMScheduler, FlaxDDPMScheduler, FlaxPNDMScheduler
  from diffusers.utils import is_flax_available
  from diffusers.utils.testing_utils import require_flax
label_desc: Use image node_id 5 for calling the FlaxDDPMSchedulerTest obj's underlying member method code with example usage: obj.test_variance_type() without return types