def METHOD_NAME(self):
    """
    Access non existing secret, expect error
    """
    tag = "?{vaultkv:secret/joker}"
    env = {"auth": "token"}
    file_data = "foo:some_random_value".encode()
    REF_CONTROLLER[tag] = VaultSecret(file_data, env)
    # confirming secret file exists
    self.assertTrue(
        os.path.isfile(os.path.join(REFS_HOME, "secret/joker")), msg="Secret file doesn't exist"
    )
    file_with_secret_tags = tempfile.mktemp()
    with open(file_with_secret_tags, "w") as fp:
        fp.write("File contents revealed: {}".format(tag))
    with self.assertRaises(VaultError):
        REVEALER.reveal_raw_file(file_with_secret_tags)