diff --git a/source/connection-string/tests/valid-warnings.json b/source/connection-string/tests/valid-warnings.json
index f0e8288bc7..daf814a75f 100644
--- a/source/connection-string/tests/valid-warnings.json
+++ b/source/connection-string/tests/valid-warnings.json
@@ -107,7 +107,9 @@
         }
       ],
       "auth": null,
-      "options": null
+      "options": {
+        "authMechanism": "MONGODB-OIDC"
+      }
     }
   ]
 }
diff --git a/source/connection-string/tests/valid-warnings.yml b/source/connection-string/tests/valid-warnings.yml
index bdc64c5916..495f1827f0 100644
--- a/source/connection-string/tests/valid-warnings.yml
+++ b/source/connection-string/tests/valid-warnings.yml
@@ -84,4 +84,5 @@ tests:
                 host: "localhost"
                 port: ~
         auth: ~
-        options: ~
+        options:
+            authMechanism: MONGODB-OIDC