diff --git a/autotests/integration/debug_console_test.cpp b/autotests/integration/debug_console_test.cpp
--- a/autotests/integration/debug_console_test.cpp
+++ b/autotests/integration/debug_console_test.cpp
@@ -322,7 +322,7 @@
     QVERIFY(rowsInsertedSpy.isValid());
 
     // create our connection
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
 
     // create the Surface and ShellSurface
     using namespace KWayland::Client;
diff --git a/autotests/integration/decoration_input_test.cpp b/autotests/integration/decoration_input_test.cpp
--- a/autotests/integration/decoration_input_test.cpp
+++ b/autotests/integration/decoration_input_test.cpp
@@ -149,7 +149,7 @@
 void DecorationInputTest::init()
 {
     using namespace KWayland::Client;
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat | Test::AdditionalWaylandInterface::Decoration));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat | Test::AdditionalWaylandInterface::Decoration));
     QVERIFY(Test::waitForWaylandPointer());
 
     screens()->setCurrent(0);
diff --git a/autotests/integration/dont_crash_cancel_animation.cpp b/autotests/integration/dont_crash_cancel_animation.cpp
--- a/autotests/integration/dont_crash_cancel_animation.cpp
+++ b/autotests/integration/dont_crash_cancel_animation.cpp
@@ -71,7 +71,7 @@
 
 void DontCrashCancelAnimationFromAnimationEndedTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
 }
 
 void DontCrashCancelAnimationFromAnimationEndedTest::cleanup()
diff --git a/autotests/integration/dont_crash_no_border.cpp b/autotests/integration/dont_crash_no_border.cpp
--- a/autotests/integration/dont_crash_no_border.cpp
+++ b/autotests/integration/dont_crash_no_border.cpp
@@ -84,7 +84,7 @@
 
 void DontCrashNoBorder::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Decoration));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Decoration));
 
     screens()->setCurrent(0);
     Cursor::setPos(QPoint(640, 512));
diff --git a/autotests/integration/effects/fade_test.cpp b/autotests/integration/effects/fade_test.cpp
--- a/autotests/integration/effects/fade_test.cpp
+++ b/autotests/integration/effects/fade_test.cpp
@@ -84,7 +84,7 @@
 
 void FadeTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
 
     // load the translucency effect
     EffectsHandlerImpl *e = static_cast<EffectsHandlerImpl*>(effects);
diff --git a/autotests/integration/effects/slidingpopups_test.cpp b/autotests/integration/effects/slidingpopups_test.cpp
--- a/autotests/integration/effects/slidingpopups_test.cpp
+++ b/autotests/integration/effects/slidingpopups_test.cpp
@@ -94,7 +94,7 @@
 
 void SlidingPopupsTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Decoration));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Decoration));
 }
 
 void SlidingPopupsTest::cleanup()
diff --git a/autotests/integration/globalshortcuts_test.cpp b/autotests/integration/globalshortcuts_test.cpp
--- a/autotests/integration/globalshortcuts_test.cpp
+++ b/autotests/integration/globalshortcuts_test.cpp
@@ -72,7 +72,7 @@
 
 void GlobalShortcutsTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
     screens()->setCurrent(0);
     KWin::Cursor::setPos(QPoint(640, 512));
 }
diff --git a/autotests/integration/input_stacking_order.cpp b/autotests/integration/input_stacking_order.cpp
--- a/autotests/integration/input_stacking_order.cpp
+++ b/autotests/integration/input_stacking_order.cpp
@@ -83,7 +83,7 @@
 void InputStackingOrderTest::init()
 {
     using namespace KWayland::Client;
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandPointer());
 
     screens()->setCurrent(0);
diff --git a/autotests/integration/internal_window.cpp b/autotests/integration/internal_window.cpp
--- a/autotests/integration/internal_window.cpp
+++ b/autotests/integration/internal_window.cpp
@@ -183,7 +183,7 @@
 void InternalWindowTest::init()
 {
     Cursor::setPos(QPoint(1280, 512));
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandKeyboard());
 }
 
diff --git a/autotests/integration/kwin_wayland_test.h b/autotests/integration/kwin_wayland_test.h
--- a/autotests/integration/kwin_wayland_test.h
+++ b/autotests/integration/kwin_wayland_test.h
@@ -86,11 +86,10 @@
 /**
  * Creates a Wayland Connection in a dedicated thread and creates various
  * client side objects which can be used to create windows.
- * @param socketName The name of the Wayland socket to connect to.
  * @returns @c true if created successfully, @c false if there was an error
  * @see destroyWaylandConnection
  **/
-bool setupWaylandConnection(const QString &socketName, AdditionalWaylandInterfaces flags = AdditionalWaylandInterfaces());
+bool setupWaylandConnection(AdditionalWaylandInterfaces flags = AdditionalWaylandInterfaces());
 
 /**
  * Destroys the Wayland Connection created with @link{setupWaylandConnection}.
diff --git a/autotests/integration/lockscreen.cpp b/autotests/integration/lockscreen.cpp
--- a/autotests/integration/lockscreen.cpp
+++ b/autotests/integration/lockscreen.cpp
@@ -200,7 +200,7 @@
 
 void LockScreenTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandPointer());
     m_connection = Test::waylandConnection();
     m_compositor = Test::waylandCompositor();
diff --git a/autotests/integration/maximize_test.cpp b/autotests/integration/maximize_test.cpp
--- a/autotests/integration/maximize_test.cpp
+++ b/autotests/integration/maximize_test.cpp
@@ -76,7 +76,7 @@
 
 void TestMaximized::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Decoration));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Decoration));
 
     screens()->setCurrent(0);
     KWin::Cursor::setPos(QPoint(1280, 512));
diff --git a/autotests/integration/move_resize_window_test.cpp b/autotests/integration/move_resize_window_test.cpp
--- a/autotests/integration/move_resize_window_test.cpp
+++ b/autotests/integration/move_resize_window_test.cpp
@@ -98,7 +98,7 @@
 
 void MoveResizeWindowTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::PlasmaShell | Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::PlasmaShell | Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandPointer());
     m_connection = Test::waylandConnection();
     m_compositor = Test::waylandCompositor();
diff --git a/autotests/integration/plasma_surface_test.cpp b/autotests/integration/plasma_surface_test.cpp
--- a/autotests/integration/plasma_surface_test.cpp
+++ b/autotests/integration/plasma_surface_test.cpp
@@ -82,7 +82,7 @@
 
 void PlasmaSurfaceTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::PlasmaShell));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::PlasmaShell));
     m_compositor = Test::waylandCompositor();
     m_shell = Test::waylandShell();
     m_plasmaShell = Test::waylandPlasmaShell();
diff --git a/autotests/integration/plasmawindow_test.cpp b/autotests/integration/plasmawindow_test.cpp
--- a/autotests/integration/plasmawindow_test.cpp
+++ b/autotests/integration/plasmawindow_test.cpp
@@ -90,7 +90,7 @@
 
 void PlasmaWindowTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::WindowManagement));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::WindowManagement));
     m_windowManagement = Test::waylandWindowManagement();
     m_compositor = Test::waylandCompositor();
     m_shell = Test::waylandShell();
diff --git a/autotests/integration/pointer_constraints_test.cpp b/autotests/integration/pointer_constraints_test.cpp
--- a/autotests/integration/pointer_constraints_test.cpp
+++ b/autotests/integration/pointer_constraints_test.cpp
@@ -87,7 +87,7 @@
 
 void TestPointerConstraints::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat | Test::AdditionalWaylandInterface::PointerConstraints));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat | Test::AdditionalWaylandInterface::PointerConstraints));
     QVERIFY(Test::waitForWaylandPointer());
 
     screens()->setCurrent(0);
diff --git a/autotests/integration/pointer_input.cpp b/autotests/integration/pointer_input.cpp
--- a/autotests/integration/pointer_input.cpp
+++ b/autotests/integration/pointer_input.cpp
@@ -105,7 +105,7 @@
 
 void PointerInputTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandPointer());
     m_compositor = Test::waylandCompositor();
     m_shell = Test::waylandShell();
diff --git a/autotests/integration/quick_tiling_test.cpp b/autotests/integration/quick_tiling_test.cpp
--- a/autotests/integration/quick_tiling_test.cpp
+++ b/autotests/integration/quick_tiling_test.cpp
@@ -91,7 +91,7 @@
 
 void QuickTilingTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
     m_connection = Test::waylandConnection();
     m_compositor = Test::waylandCompositor();
     m_shell = Test::waylandShell();
diff --git a/autotests/integration/scene_qpainter_test.cpp b/autotests/integration/scene_qpainter_test.cpp
--- a/autotests/integration/scene_qpainter_test.cpp
+++ b/autotests/integration/scene_qpainter_test.cpp
@@ -149,7 +149,7 @@
     KWin::Cursor::setPos(45, 45);
     // this test verifies that a window is rendered correctly
     using namespace KWayland::Client;
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandPointer());
     QScopedPointer<Surface> s(Test::createSurface());
     QFETCH(Test::ShellSurfaceType, type);
@@ -205,7 +205,7 @@
 
     // first create a window
     using namespace KWayland::Client;
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
     QScopedPointer<Surface> s(Test::createSurface());
     QFETCH(Test::ShellSurfaceType, type);
     QScopedPointer<QObject> ss(Test::createShellSurface(type, s.data()));
diff --git a/autotests/integration/screen_changes_test.cpp b/autotests/integration/screen_changes_test.cpp
--- a/autotests/integration/screen_changes_test.cpp
+++ b/autotests/integration/screen_changes_test.cpp
@@ -57,7 +57,7 @@
 
 void ScreenChangesTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
 
     screens()->setCurrent(0);
     KWin::Cursor::setPos(QPoint(640, 512));
diff --git a/autotests/integration/shell_client_test.cpp b/autotests/integration/shell_client_test.cpp
--- a/autotests/integration/shell_client_test.cpp
+++ b/autotests/integration/shell_client_test.cpp
@@ -95,7 +95,7 @@
 
 void TestShellClient::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Decoration));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Decoration));
 
     screens()->setCurrent(0);
     KWin::Cursor::setPos(QPoint(1280, 512));
diff --git a/autotests/integration/start_test.cpp b/autotests/integration/start_test.cpp
--- a/autotests/integration/start_test.cpp
+++ b/autotests/integration/start_test.cpp
@@ -82,7 +82,7 @@
 {
     // first we need to connect to the server
     using namespace KWayland::Client;
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
 
     QSignalSpy shellClientAddedSpy(waylandServer(), &WaylandServer::shellClientAdded);
     QVERIFY(shellClientAddedSpy.isValid());
diff --git a/autotests/integration/struts_test.cpp b/autotests/integration/struts_test.cpp
--- a/autotests/integration/struts_test.cpp
+++ b/autotests/integration/struts_test.cpp
@@ -87,7 +87,7 @@
 
 void StrutsTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::PlasmaShell));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::PlasmaShell));
     m_compositor = Test::waylandCompositor();
     m_plasmaShell = Test::waylandPlasmaShell();
 
diff --git a/autotests/integration/tabbox_test.cpp b/autotests/integration/tabbox_test.cpp
--- a/autotests/integration/tabbox_test.cpp
+++ b/autotests/integration/tabbox_test.cpp
@@ -72,7 +72,7 @@
 
 void TabBoxTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
     screens()->setCurrent(0);
     KWin::Cursor::setPos(QPoint(640, 512));
 }
diff --git a/autotests/integration/test_helpers.cpp b/autotests/integration/test_helpers.cpp
--- a/autotests/integration/test_helpers.cpp
+++ b/autotests/integration/test_helpers.cpp
@@ -35,12 +35,18 @@
 #include <KWayland/Client/shm_pool.h>
 #include <KWayland/Client/surface.h>
 #include <KWayland/Client/xdgshell.h>
+#include <KWayland/Server/display.h>
 
 //screenlocker
 #include <KScreenLocker/KsldApp>
 
 #include <QThread>
 
+// system
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
 using namespace KWayland::Client;
 
 namespace KWin
@@ -63,18 +69,24 @@
     QThread *thread = nullptr;
 } s_waylandConnection;
 
-bool setupWaylandConnection(const QString &socketName, AdditionalWaylandInterfaces flags)
+bool setupWaylandConnection(AdditionalWaylandInterfaces flags)
 {
     if (s_waylandConnection.connection) {
         return false;
     }
+
+    int sx[2];
+    if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) {
+        return false;
+    }
+    KWin::waylandServer()->display()->createClient(sx[0]);
     // setup connection
     s_waylandConnection.connection = new ConnectionThread;
     QSignalSpy connectedSpy(s_waylandConnection.connection, &ConnectionThread::connected);
     if (!connectedSpy.isValid()) {
         return false;
     }
-    s_waylandConnection.connection->setSocketName(socketName);
+    s_waylandConnection.connection->setSocketFd(sx[1]);
 
     s_waylandConnection.thread = new QThread(kwinApp());
     s_waylandConnection.connection->moveToThread(s_waylandConnection.thread);
diff --git a/autotests/integration/touch_input_test.cpp b/autotests/integration/touch_input_test.cpp
--- a/autotests/integration/touch_input_test.cpp
+++ b/autotests/integration/touch_input_test.cpp
@@ -74,7 +74,7 @@
 void TouchInputTest::init()
 {
     using namespace KWayland::Client;
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandTouch());
     m_touch = Test::waylandSeat()->createTouch(Test::waylandSeat());
     QVERIFY(m_touch);
diff --git a/autotests/integration/transient_no_input_test.cpp b/autotests/integration/transient_no_input_test.cpp
--- a/autotests/integration/transient_no_input_test.cpp
+++ b/autotests/integration/transient_no_input_test.cpp
@@ -58,7 +58,7 @@
 
 void TransientNoInputTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName));
+    QVERIFY(Test::setupWaylandConnection());
 }
 
 void TransientNoInputTest::cleanup()
diff --git a/autotests/integration/transient_placement.cpp b/autotests/integration/transient_placement.cpp
--- a/autotests/integration/transient_placement.cpp
+++ b/autotests/integration/transient_placement.cpp
@@ -86,7 +86,7 @@
 
 void TransientPlacementTest::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Decoration));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Decoration));
 
     screens()->setCurrent(0);
     Cursor::setPos(QPoint(640, 512));
diff --git a/autotests/integration/window_selection_test.cpp b/autotests/integration/window_selection_test.cpp
--- a/autotests/integration/window_selection_test.cpp
+++ b/autotests/integration/window_selection_test.cpp
@@ -79,7 +79,7 @@
 
 void TestWindowSelection::init()
 {
-    QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
+    QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
     QVERIFY(Test::waitForWaylandPointer());
 
     screens()->setCurrent(0);