# Uses threading to wait for daemon.run. Gentoo bug 934153
# https://github.com/greenbone/ospd-openvas/pull/1026
--- a/tests/messaging/test_mqtt.py
+++ b/tests/messaging/test_mqtt.py
@@ -3,6 +3,8 @@
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later

+import threading
+
 from datetime import datetime
 from uuid import UUID

@@ -88,10 +90,20 @@ class MQTTDaemonTestCase(TestCase):

     def test_run(self):
         client = mock.MagicMock()
+        start_event = threading.Event()
+
+        def side_effect():
+            start_event.set()
+
+        client.connect.side_effect = side_effect

         daemon = MQTTDaemon(client)

-        daemon.run()
+        run_thread = threading.Thread(target=daemon.run)
+        run_thread.start()
+
+        # Wait for the daemon to start
+        start_event.wait()

         client.connect.assert_called_with()