code: def init_instance_fixtures(self):
      super(MetricsSetCoreTestCase, self).init_instance_fixtures()
  
      (
          self.metrics_sets,
          self.register,
          self.unregister,
          self.load,
      ) = _make_metrics_set_core()
  
      # make sure this starts empty
      assert_equal(self.metrics_sets, mappingproxy({}))
  
file_path: zipline/tests/metrics/test_core.py
imports: from zipline.finance.metrics.core import _make_metrics_set_core
  from zipline.testing.fixtures import ZiplineTestCase
  from zipline.testing.predicates import assert_equal, assert_is, assert_raises_str
  from zipline.utils.compat import mappingproxy
label_desc: Use image node_id 1 for calling the MetricsSetCoreTestCase obj's underlying member method code with example usage: obj.init_instance_fixtures() without return types