fix: update virtual module tests to use 2.0 fetch API

Replace deprecated fetch() calls with to_dicts() in test_virtual_module.py:
- test_virtual_schema_tables_are_queryable: use lab.Experiment().to_dicts()
- test_getitem_is_queryable: use table.to_dicts()

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: dimitri-yatsenko

tests/integration/test_virtual_module.py

@@ -39,7 +39,7 @@ def test_virtual_schema_tables_are_queryable(self, schema_any, connection_test):
         """Tables from virtual_schema can be queried."""
         lab = dj.virtual_schema(schema_any.database, connection=connection_test)
         # Should not raise
-        lab.Experiment.fetch()
+        lab.Experiment().to_dicts()
 
 
 class TestSchemaGetTable:
@@ -75,7 +75,7 @@ def test_getitem_is_queryable(self, schema_any):
         """Table from __getitem__ can be queried."""
         table = schema_any["Experiment"]
         # Should not raise
-        table.fetch()
+        table.to_dicts()
 
 
 class TestSchemaIteration: