code: def assert_equal(self, actual, expected):
      np.testing.assert_equal(actual, expected)
  
imports: from absl.testing import absltest
  import mock
  import numpy
  from pysc2.env import enums
  from pysc2.env import environment
  from pysc2.env import mock_sc2_env
  from pysc2.env import sc2_env
  from pysc2.lib import features
  from s2clientprotocol import common_pb2
  from s2clientprotocol import raw_pb2
  from s2clientprotocol import sc2api_pb2
label_desc: Use image node_id 2 for calling the _TestMixin obj's underlying member method code with example usage: obj.assert_equal(actual, expected) without return types