test: update test_update1.py fixture for unified stores

- Update mock_stores_update fixture to use config.stores
- Remove project_name (now embedded in location path)
- Simplify fixture using unified stores API

Author: dimitri-yatsenko

tests/integration/test_update1.py

@@ -23,30 +23,29 @@ class Thing(dj.Manual):
 
 @pytest.fixture(scope="module")
 def mock_stores_update(tmpdir_factory):
-    """Configure object storage stores for update tests."""
-    og_project_name = dj.config.object_storage.project_name
-    og_stores = dict(dj.config.object_storage.stores)
+    """Configure stores for update tests using unified stores system."""
+    og_stores = dict(dj.config.stores)
 
-    # Configure stores
-    dj.config.object_storage.project_name = "djtest"
-    store_location = str(tmpdir_factory.mktemp("store"))
+    # Configure stores (location includes project context)
+    store_location = str(tmpdir_factory.mktemp("store")) + "/djtest"
     repo_stage = str(tmpdir_factory.mktemp("repo_stage"))
-    repo_location = str(tmpdir_factory.mktemp("repo_loc"))
-    dj.config.object_storage.stores["update_store"] = dict(
+    repo_location = str(tmpdir_factory.mktemp("repo_loc")) + "/djtest"
+
+    dj.config.stores["update_store"] = dict(
         protocol="file",
         location=store_location,
     )
-    dj.config.object_storage.stores["update_repo"] = dict(
+    dj.config.stores["update_repo"] = dict(
         stage=repo_stage,
         protocol="file",
         location=repo_location,
     )
+
     yield {"update_store": {"location": store_location}, "update_repo": {"stage": repo_stage, "location": repo_location}}
 
     # Restore original
-    dj.config.object_storage.project_name = og_project_name
-    dj.config.object_storage.stores.clear()
-    dj.config.object_storage.stores.update(og_stores)
+    dj.config.stores.clear()
+    dj.config.stores.update(og_stores)
 
 
 @pytest.fixture