'If L{checkers.IAuthorizedKeysDB.getAuthorizedKeys} returns no keys
that match the credentials,
L{checkers.SSHPublicKeyChecker.requestAvatarId} fails with
L{UnauthorizedLogin}.'

def test_credentialsNoMatchingKey(self):

    self.credentials.blob = keydata.publicDSA_openssh
    self.failureResultOf(self.checker.requestAvatarId(self.credentials), UnauthorizedLogin)
