update database settings to keepdb=False and autoclobber=True

Author: ohmayr

packages/django-google-spanner/tests/system/django_spanner/utils.py

@@ -124,7 +124,7 @@ def setup_database():
     Config.DATABASE = Config.INSTANCE.database(DATABASE_NAME)
     if not Config.DATABASE.exists():
         creation = DatabaseCreation(connection)
-        creation._create_test_db(verbosity=0, autoclobber=False, keepdb=True)
+        creation._create_test_db(verbosity=0, autoclobber=True, keepdb=False)
 
     # Running migrations on the db.
     call_command("migrate", interactive=False)