Fix last eos issue in net_* tests (#33726)

This should finally fix it.

lib/ansible/modules/network/eos/eos_vrf.py

@@ -237,7 +237,9 @@ def check_declarative_intent_params(want, module):
             for i in w['interfaces']:
                 obj_in_have = search_obj_in_list(w['name'], have)
 
-                if obj_in_have and i not in obj_in_have.get('interfaces', []):
+                if obj_in_have:
+                    interfaces = obj_in_have.get('interfaces')
+                    if interfaces is not None and i not in interfaces:
                         module.fail_json(msg="Interface %s not configured on vrf %s" % (i, w['name']))