changed some test setups to match new model

Author: KennyZhang1

tests/unit/config/utils.py

@@ -50,13 +50,15 @@
 DEFAULT_GRAPHRAG_CONFIG_SETTINGS = {
     "models": DEFAULT_MODEL_CONFIG,
     "vector_store": {
-        "type": defs.VECTOR_STORE_TYPE,
-        "db_uri": defs.VECTOR_STORE_DB_URI,
-        "container_name": defs.VECTOR_STORE_CONTAINER_NAME,
-        "overwrite": defs.VECTOR_STORE_OVERWRITE,
-        "url": None,
-        "api_key": None,
-        "audience": None,
+        "default": {
+            "type": defs.VECTOR_STORE_TYPE,
+            "db_uri": defs.VECTOR_STORE_DB_URI,
+            "container_name": defs.VECTOR_STORE_CONTAINER_NAME,
+            "overwrite": defs.VECTOR_STORE_OVERWRITE,
+            "url": None,
+            "api_key": None,
+            "audience": None,
+        },
     },
     "reporting": {
         "type": defs.REPORTING_TYPE,