code: def testFeatureMinimapMatchesSpec(self):
      obs = self._get_obs()
      for f in features.MINIMAP_FEATURES:
          self._check_layer(
              getattr(obs.feature_layer_data.minimap_renders, f.name),
              32,
              28,
              8,
          )
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from pysc2.lib import actions
  from pysc2.lib import features
  from pysc2.lib import point
  from pysc2.lib import units
  from pysc2.tests import dummy_observation
  from s2clientprotocol import common_pb2
label_desc: Use image node_id 3 for calling the DummyObservationTest obj's underlying member method code with example usage: obj.testFeatureMinimapMatchesSpec() without return types