Update legacy_anna test asserts

Author: bouwew

tests/test_smile.py

@@ -657,6 +657,7 @@ async def test_connect_legacy_anna(self):
                 "dev_class": "gateway",
                 "firmware": "1.8.22",
                 "location": "0000aaaa0000aaaa0000aaaa0000aa00",
+                "mac_address": "01:23:45:67:89:AB",
                 "model": "Gateway",
                 "name": "Smile Anna",
                 "vendor": "Plugwise",
@@ -757,6 +758,7 @@ async def test_connect_legacy_anna_2(self):
                 "dev_class": "gateway",
                 "firmware": "1.8.22",
                 "location": "be81e3f8275b4129852c4d8d550ae2eb",
+                "mac_address": "01:23:45:67:89:AB",
                 "model": "Gateway",
                 "name": "Smile Anna",
                 "vendor": "Plugwise",