diff --git a/tests/test_issues.py b/tests/test_issues_mysqlbackend.py
similarity index 94%
rename from tests/test_issues.py
rename to tests/test_issues_mysqlbackend.py
index ba3df6598467da691ec0b9611d8b38803c2132f0..91e8cf00c8124547b369fb53d311eb7104898270 100644
--- a/tests/test_issues.py
+++ b/tests/test_issues_mysqlbackend.py
@@ -3,8 +3,8 @@
 # ** header v3.0
 # This file is a part of the CaosDB Project.
 #
-# Copyright (c) 2020 IndiScale GmbH
-# Copyright (c) 2020 Daniel Hornung <d.hornung@indiscale.com>
+# Copyright (c) 2020 IndiScale GmbH (www.indiscale.com)
+# Copyright (c) 2020 Daniel Hornung (d.hornung@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
@@ -21,7 +21,7 @@
 #
 # ** end header
 
-"""Tests for issues on gitlab.com"""
+"""Tests for issues on gitlab.com, project caosdb-mysqlbackend."""
 
 from __future__ import absolute_import, print_function, unicode_literals
 
@@ -57,7 +57,6 @@ def teardown():
 
 # ########################### Issue tests start here ###########################
 
-@pytest.mark.xfail
 @with_setup(setup, teardown)
 def test_issue_85_a():
     """SQLIntegrityConstraintViolationException for special inheritance patterns.
@@ -83,7 +82,6 @@ def test_issue_85_a():
     #           # Duplicate entry '12345-12346-12345' for key 'PRIMARY'
 
 
-@pytest.mark.xfail
 @with_setup(setup, teardown)
 def test_issue_85_b():
     """SQLIntegrityConstraintViolationException for special inheritance patterns.