diff --git a/libtaskmanager/autotests/data/applications/org.kde.dolphin.desktop b/libtaskmanager/autotests/data/applications/org.kde.dolphin.desktop
new file mode 100644
index 000000000..bfe7943ce
--- /dev/null
+++ b/libtaskmanager/autotests/data/applications/org.kde.dolphin.desktop
@@ -0,0 +1,15 @@
+# SPDX-FileCopyrightText: none
+# SPDX-License-Identifier: CC0-1.0
+[Desktop Entry]
+Name=Dolphin
+Exec=dolphin %u
+Icon=system-file-manager
+Type=Application
+X-DocPath=dolphin/index.html
+Categories=Qt;KDE;System;FileTools;FileManager;
+GenericName=File Manager
+Terminal=false
+MimeType=inode/directory;
+InitialPreference=10
+X-DBUS-ServiceName=org.kde.dolphin
+StartupWMClass=dolphin
diff --git a/libtaskmanager/autotests/data/applications/org.kde.konversation.desktop b/libtaskmanager/autotests/data/applications/org.kde.konversation.desktop
new file mode 100644
index 000000000..1f5925014
--- /dev/null
+++ b/libtaskmanager/autotests/data/applications/org.kde.konversation.desktop
@@ -0,0 +1,15 @@
+# SPDX-FileCopyrightText: none
+# SPDX-License-Identifier: CC0-1.0
+[Desktop Entry]
+Type=Application
+Exec=konversation -qwindowtitle %c %u
+Icon=konversation
+X-DocPath=konversation/index.html
+MimeType=x-scheme-handler/irc;x-scheme-handler/ircs;
+GenericName=IRC Client
+Terminal=false
+Name=Konversation
+Categories=Qt;KDE;Network;IRCClient;
+X-DBUS-StartupType=Unique
+X-DBUS-ServiceName=org.kde.konversation
+StartupNotify=true
diff --git a/libtaskmanager/autotests/launchertasksmodeltest.cpp b/libtaskmanager/autotests/launchertasksmodeltest.cpp
index 1d9e031f9..59d0bbff0 100644
--- a/libtaskmanager/autotests/launchertasksmodeltest.cpp
+++ b/libtaskmanager/autotests/launchertasksmodeltest.cpp
@@ -1,5 +1,6 @@
 /********************************************************************
 Copyright 2016  Eike Hein <hein@kde.org>
+Copyright 2021  Alexander Lohnau <alexander.lohnau@gmx.de>
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
@@ -49,8 +50,10 @@ private:
 void LauncherTasksModelTest::initTestCase()
 {
     qApp->setProperty("org.kde.KActivities.core.disableAutostart", true);
-    m_urlStrings << QLatin1String("file:///usr/share/applications/org.kde.systemmonitor.desktop");
-    m_urlStrings << QLatin1String("file:///usr/share/applications/org.kde.konversation.desktop");
+    m_urlStrings = QStringList{QUrl::fromLocalFile(QFINDTESTDATA("data/applications/org.kde.dolphin.desktop")).toString(),
+                               QUrl::fromLocalFile(QFINDTESTDATA("data/applications/org.kde.konversation.desktop")).toString()};
+    // We don't want the globally installed apps to interfere and want the test to use our data files
+    qputenv("XDG_DATA_DIRS", QFINDTESTDATA("data").toLocal8Bit());
 }
 
 void LauncherTasksModelTest::shouldRoundTripLauncherUrlList()
@@ -113,9 +116,8 @@ void LauncherTasksModelTest::shouldRejectDuplicates()
 {
     LauncherTasksModel m;
 
-    QStringList urlStrings;
-    urlStrings << QLatin1String("file:///usr/share/applications/org.kde.dolphin.desktop");
-    urlStrings << QLatin1String("file:///usr/share/applications/org.kde.dolphin.desktop");
+    const QStringList urlStrings = {QUrl::fromLocalFile(QFINDTESTDATA("data/applications/org.kde.dolphin.desktop")).toString(),
+                                    QUrl::fromLocalFile(QFINDTESTDATA("data/applications/org.kde.dolphin.desktop")).toString()};
 
     QSignalSpy launcherListChangedSpy(&m, &LauncherTasksModel::launcherListChanged);
     QVERIFY(launcherListChangedSpy.isValid());