def METHOD_NAME(self):
    self.xml_state.get_build_type_name = Mock(
        return_value='pxe'
    )
    self.xml_state.build_type.get_filesystem = Mock(
        return_value=None
    )
    with raises(KiwiFileSystemSetupError):
        FileSystemBuilder(
            self.xml_state, 'target_dir', 'root_dir'
        )