def METHOD_NAME(self):
    self.assertEqual(connections.connection_manager.get_connection_string(DEFAULT_DB_ALIAS),
                     connections.connection_manager.get_connection_string('engine-1'))
    self.assertEqual(self.db2_url,
                     connections.connection_manager.get_connection_string('engine-2'))
    self.assertNotEqual(str(self.ds1_adapter.engine.url), str(self.ds2_adapter.engine.url))
    self.assertEqual(connections.connection_manager.get_connection_string(DEFAULT_DB_ALIAS),
                     str(self.ds1_adapter.engine.url))
    self.assertEqual(self.db2_url, str(self.ds2_adapter.engine.url))