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[Robert Collins <robertc@xxxxxxxxxxxxxxxxx>]

class ZopelessDatabaseLayer(ZopelessLayer, DatabaseLayer):
    """Testing layer for unit tests with no need for librarian.

    Can be used wherever you're accustomed to using LaunchpadZopeless
    or LaunchpadScript layers, but there is no need for librarian.
    """

    @classmethod
    @profiled
    def setUp(cls):
        pass

    @classmethod
    @profiled
    def tearDown(cls):
        # Signal Layer cannot be torn down fully
        raise NotImplementedError


Given that the setUp is empty, why isn't the tearDown also empty?

-Rob