try fix

Author: zliang-akamai

test/fixtures/networking_firewalls_123.json

@@ -13,4 +13,4 @@
       "fingerprint":"4ef67a29"
    },
    "tags":[]
-}
+}

test/fixtures/networking_firewalls_123_rules.json

@@ -5,4 +5,4 @@
   "outbound_policy": "DROP",
   "version": 2,
   "fingerprint": "4ef67a29"
-}
+}

test/unit/objects/firewall_test.py

@@ -9,7 +9,7 @@ class FirewallTest(ClientBaseCase):
     Tests methods of the Firewall class
     """
 
-    def test_get_rules(self):
+    def test_get_rules_from_firewall(self):
         """
         Test that the rules can be retrieved from a Firewall
         """