Update e2e tests

Author: Pijukatel

src/apify/storage_clients/_apify/_alias_resolving.py

@@ -131,7 +131,7 @@ class AliasResolver:
     _alias_init_lock: Lock | None = None
     """Lock for creating alias storages. Only one alias storage can be created at the time. Global for all instances."""
 
-    default_storage_key: ClassVar[str] = '__default_unnamed__'
+    default_storage_key: ClassVar[str] = '__default__'
 
     def __init__(
         self,

tests/e2e/test_schema_storages/actor_source/main.py

@@ -7,3 +7,7 @@ async def main() -> None:
         dataset = await Actor.open_dataset(alias='custom')
         expected_id = Actor.configuration.actor_storages['datasets']['custom']
         assert dataset.id == expected_id
+
+        implicit_default_dataset = await Actor.open_dataset()
+        explicit_default_dataset = await Actor.open_dataset(alias='default')
+        assert implicit_default_dataset.id == explicit_default_dataset