def setUp(self):
# Drop the existing model tables.
Model.metadata.drop_all(config.db.engine)
# Drop leftover tables (e.g. Alembic & Storm schema versions).
md = MetaData()
md.reflect(bind=config.db.engine)
for table in md.sorted_tables:
table.drop(config.db.engine)
self.schema_mgr = SchemaManager(config.db)
