code: def _check_feature_unit(self, proto, builder):
      return self._check_attributes_match(
          proto,
          builder,
          [
              "unit_type",
              "alliance",
              "owner",
              "pos",
              "radius",
              "health",
              "health_max",
              "is_on_screen",
              "shield",
              "shield_max",
          ],
      )
  
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 24 for calling the DummyObservationTest obj's underlying member method code with example usage: obj._check_feature_unit(proto, builder) and returns: self