def test_implementsInterface(self):
        keydb = checkers.InMemorySSHKeyDB({b'alice': [b'key']})
        verifyObject(checkers.IAuthorizedKeysDB, keydb)
L{checkers.InMemorySSHKeyDB} implements
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_checkers.py/InMemorySSHKeyDBTests.test_implementsInterface