def test_implementsInterface(self):
        keydb = checkers.InMemorySSHKeyDB({b'alice': [b'key']})
        verifyObject(checkers.IAuthorizedKeysDB, keydb)
Divide the given string into examples and intervening text,
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_checkers.py/InMemorySSHKeyDBTests.test_implementsInterface--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/test/_doctest.py/DocTestParser.parse