code: def test_Sortable(self) -> None:
      metric1 = MapMetric(name="m1", lower_is_better=False)
      metric2 = MapMetric(name="m2", lower_is_better=False)
      self.assertTrue(metric1 < metric2)
  
file_path: Ax/ax/core/tests/test_map_metric.py
imports: from ax.core.map_metric import MapMetric
  from ax.utils.common.testutils import TestCase
  from ax.utils.testing.core_stubs import get_map_data
label_desc: Use image node_id 5 for calling the MapMetricTest obj's underlying member method code with example usage: obj.test_Sortable() without return types