ut: use larger tolerance for dipole models

Author: caic99

source/tests/universal/common/cases/model/model.py

@@ -61,7 +61,7 @@ def setUpClass(cls) -> None:
         cls.expected_sel = [46, 92]
         cls.expected_sel_mix = sum(cls.expected_sel)
         cls.expected_has_message_passing = False
-        cls.aprec_dict = {}
+        cls.aprec_dict = {"test_forward": 1e-15}
         cls.rprec_dict = {}
         cls.epsilon_dict = {}
         cls.skip_test_autodiff = True