diff --git a/autotests/client/test_wayland_windowmanagement.cpp b/autotests/client/test_wayland_windowmanagement.cpp
--- a/autotests/client/test_wayland_windowmanagement.cpp
+++ b/autotests/client/test_wayland_windowmanagement.cpp
@@ -55,6 +55,7 @@
     void testGeometry();
     void testIcon();
     void testPid();
+    void testApplicationMenu();
 
     void cleanup();
 
@@ -638,5 +639,22 @@
 
 }
 
+void TestWindowManagement::testApplicationMenu()
+{
+    using namespace KWayland::Client;
+
+    const auto serviceName = QStringLiteral("org.kde.foo");
+    const auto objectPath = QStringLiteral("/org/kde/bar");
+
+    m_windowInterface->setApplicationMenuPaths(serviceName, objectPath);
+
+    QSignalSpy applicationMenuChangedSpy(m_window, &PlasmaWindow::applicationMenuChanged);
+    QVERIFY(applicationMenuChangedSpy.isValid());
+    QVERIFY(applicationMenuChangedSpy.wait());
+
+    QCOMPARE(m_window->applicationMenuServiceName(), serviceName);
+    QCOMPARE(m_window->applicationMenuObjectPath(), objectPath);
+}
+
 QTEST_MAIN(TestWindowManagement)
 #include "test_wayland_windowmanagement.moc"