def METHOD_NAME():
    assert_false(dj.config["safemode"], "safemode must be off for testing")
    assert_true(
        L() and A() and B() and B.C() and D() and E() and E.F(),
        "schema is not populated",
    )
    A().delete()
    assert_false(A() or B() or B.C() or D() or E() or E.F(), "incomplete delete")