Add some asserts

src/qtcommon/Platform_qt.cpp

@@ -154,6 +154,7 @@ int Platform_qt::screenNumberForQWindow(QWindow *window) const
 
 bool Platform_qt::tests_waitForWindowActive(Window::Ptr window, int timeout) const
 {
+    Q_ASSERT(window);
     auto windowqt = static_cast<Window_qt *>(window.get());
     return QTest::qWaitForWindowActive(windowqt->qtWindow(), timeout);
 }

tests/utils.cpp

@@ -67,7 +67,7 @@ Controllers::DockWidget *KDDockWidgets::Tests::createDockWidget(const QString &n
         dock->show();
         dock->dptr()->morphIntoFloatingWindow();
         dock->view()->activateWindow();
-        Q_ASSERT(dock->window());
+        Q_ASSERT(dock->view()->window());
         if (Platform::instance()->tests_waitForWindowActive(dock->view()->window(), 1000)) {
             return dock;
         }