def test_observable_to_observable_link_count(self) -> None:
        """Tests the update of link count between two observables."""
        for i in range(10):
            self.relationship = self.observable2.link_to(
                self.observable4, "uses", "User agent"
            )
        self.assertEqual(self.relationship.count, 10)
Tests the update of link count between two observables.
tests/schemas/graph.py