def test_get_root_on_create(self):
        root_on_create_val = Instance.get_root_on_create(
            'redis')
        self.assertFalse(root_on_create_val)
def get_schema(self):
        """Returns the set YAML schema for the metric class.

        Returns:
          YAML schema of the metrics type.
        """
        return self._schema