PY-benOff-fields Update beneficial owner to accept optional fields

e2e_tests/account_test.py

@@ -145,8 +145,7 @@ def test_update_account():
 
 
 def test_update_credit_account():
-    # Mock or assume the existence of these functions
-    account_id = "3344334"  # Assuming this function exists
+    account_id = "3344334"
     _credit_limit = 4000
     request = PatchCreditAccountRequest(account_id, tags={
         "purpose": "tax",

unit/models/account.py

@@ -166,7 +166,7 @@ def __init__(self, account_id: str, tags: Optional[Dict[str, str]] = None, credi
     def to_json_api(self) -> Dict:
         payload = {
             "data": {
-                "type": "creditAccount",  # Assuming CreditAccountType resolves to "creditAccount"
+                "type": CreditAccountType,
                 "attributes": {}
             }
         }