def test_view_retains_ndarray_subclass():
    adata = ad.AnnData(np.zeros((10, 10)))
    adata.obsm["foo"] = np.zeros((10, 5)).view(NDArraySubclass)

    view = adata[:5, :]

    assert isinstance(view.obsm["foo"], NDArraySubclass)
    assert view.obsm["foo"].shape == (5, 5)
def test_default_group(self):
        # It exists
        self.assertTrue(Group.objects.filter(name='Default').count() == 1)

        # Verify that all new users are assigned to default group
        u = User.objects.create_user(username="default_user")
        u.refresh_from_db()
        self.assertTrue(u.groups.filter(name='Default').count() == 1)