def test_credentialsInvalidSignature(self):
        self.credentials.signature = (
            keys.Key.fromString(keydata.privateDSA_openssh).sign(b'foo'))
        self.failureResultOf(self.checker.requestAvatarId(self.credentials),
                             UnauthorizedLogin)
expr : expr GT expr
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_checkers.py/SSHPublicKeyCheckerTests.test_credentialsInvalidSignature--crossover with--dataset/ETHPy150Open Microsoft/ivy/src/ivy/ivy_dafny_grammar.py/p_expr_expr_GT_expr