diff --git a/autotests/integration/lockscreen.cpp b/autotests/integration/lockscreen.cpp
--- a/autotests/integration/lockscreen.cpp
+++ b/autotests/integration/lockscreen.cpp
@@ -182,21 +182,24 @@
 
 void LockScreenTest::initTestCase()
 {
+    if (!QFile::exists(QStringLiteral("/dev/dri/card0"))) {
+        QSKIP("Needs a dri device");
+    }
     qRegisterMetaType<KWin::ShellClient*>();
     qRegisterMetaType<KWin::AbstractClient*>();
     QSignalSpy workspaceCreatedSpy(kwinApp(), &Application::workspaceCreated);
     QVERIFY(workspaceCreatedSpy.isValid());
     kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
     QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2));
     QVERIFY(waylandServer()->init(s_socketName.toLocal8Bit()));
 
+    qputenv("KWIN_COMPOSE", QByteArrayLiteral("O2"));
     kwinApp()->start();
     QVERIFY(workspaceCreatedSpy.wait());
     QCOMPARE(screens()->count(), 2);
     QCOMPARE(screens()->geometry(0), QRect(0, 0, 1280, 1024));
     QCOMPARE(screens()->geometry(1), QRect(1280, 0, 1280, 1024));
     setenv("QT_QPA_PLATFORM", "wayland", true);
-    setenv("QMLSCENE_DEVICE", "softwarecontext", true);
     waylandServer()->initWorkspace();
 }