TST: add failing test for https://gitlab.com/caosdb/caosdb-server/-/issues/177

tests/test_issues_server.py

 # -*- coding: utf-8 -*-
 # This file is a part of the CaosDB Project.
 #
-# Copyright (c) 2022 IndiScale GmbH <info@indiscale.com>
+# Copyright (c) 2020 - 2022 IndiScale GmbH <info@indiscale.com>
 # Copyright (c) 2022 Daniel Hornung <d.hornung@indiscale.com>
 # Copyright (c) 2020 Florian Spreckelsen <f.spreckelsen@indiscale.com>
+# Copyright (c) 2021 - 2022 Timm Fitschen <t.fitschen@indiscale.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as
@@ -1115,3 +1116,12 @@ def test_142():
         assert cm.value.status == 400
         assert cm.value.msg.startswith(
             "The user name does not comply with the current policies for user names")
+
+
+@pytest.mark.xfail(reason="Fix https://gitlab.com/caosdb/caosdb-server/-/issues/177")
+def test_177():
+    db.RecordType("TestRT").insert()
+    db.RecordType("TestRT").insert(unique=False)
+    db.Property("TestProp", datatype=db.TEXT).insert()
+
+    db.RecordType("TestSubRT").add_property("TestProp").add_parent("TestRT").insert()