diff --git a/backend/test_sync_upstream_models.py b/backend/test_sync_upstream_models.py
index 40206c9..c410b5b 100644
--- a/backend/test_sync_upstream_models.py
+++ b/backend/test_sync_upstream_models.py
@@ -82,8 +82,8 @@ def test_sync_upstream_models_original_json_endpoint(db_session, monkeypatch):
         def list_accounts(self):
             return [
                 {
-                    "id": "1", 
-                    "name": "Account 1", 
+                    "id": "1",
+                    "name": "Account 1",
                     "credentials": {
                         "base_url": "old",
                         "access_token": "secret_access_token",  # Sensitive credential
@@ -210,8 +210,8 @@ def test_sync_upstream_models_streaming_endpoint(db_session, monkeypatch):
         def list_accounts(self):
             return [
                 {
-                    "id": "1", 
-                    "name": "Account 1", 
+                    "id": "1",
+                    "name": "Account 1",
                     "credentials": {
                         "base_url": "old",
                         "access_token": "secret_access_token",  # Sensitive credential
@@ -281,6 +281,7 @@ def test_sync_upstream_models_streaming_endpoint(db_session, monkeypatch):
         assert "access_token" not in payload1
         assert "api_key" not in payload1
         assert payload1["openai_capabilities"] == "some_capabilities"
+        assert payload1["compact_model_mapping"] == "some_mapping"
 
         # Second update to write back model_mapping
         payload2 = acc1_updates[1][1]["credentials"]
@@ -288,6 +289,7 @@ def test_sync_upstream_models_streaming_endpoint(db_session, monkeypatch):
         assert "access_token" not in payload2
         assert "api_key" not in payload2
         assert payload2["openai_capabilities"] == "some_capabilities"
+        assert payload2["compact_model_mapping"] == "some_mapping"
         assert payload2["model_mapping"] == {"gpt-3.5": "gpt-3.5", "gpt-4": "gpt-4"}
 
     finally: