autotests: Fix testVirtualKeyboardDBus

autotests/integration/test_virtualkeyboard_dbus.cpp

@@ -6,6 +6,14 @@
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
+
+#include "kwin_wayland_test.h"
+
+#include "main.h"
+#include "platform.h"
+#include "virtualkeyboard_dbus.h"
+#include "wayland_server.h"
+
 #include <QTest>
 #include <QDBusConnection>
 #include <QDBusMessage>
@@ -13,9 +21,6 @@
 #include <QSignalSpy>
 
 #include <virtualkeyboardinterface.h>
-#include "virtualkeyboard_dbus.h"
-#include "wayland_server.h"
-#include "kwin_wayland_test.h"
 
 using KWin::VirtualKeyboardDBus;
 using namespace KWin;
@@ -39,7 +44,9 @@ void VirtualKeyboardDBusTest::initTestCase()
     QDBusConnection::sessionBus().registerService(QStringLiteral("org.kde.kwin.testvirtualkeyboard"));
     QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
     QVERIFY(applicationStartedSpy.isValid());
+    kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
     QVERIFY(waylandServer()->init(s_socketName));
+    QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2));
 
     static_cast<WaylandTestApplication *>(kwinApp())->setInputMethodServerToStart("internal");
     kwinApp()->start();