def METHOD_NAME(self):
    # Arrange
    self._create_cloud_service()
    # Act
    result = self.ss.list_cloud_services()
    # Assert
    self.assertIsNotNone(result)
    self.assertIsInstance(result, CloudServices)
    for cs in result:
        self.assertIsNotNone(cs)
        self.assertIsInstance(cs, CloudService)