Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-kwidgetsaddons/source/autotests/ksplittercollapserbuttontest.h

@@ -0,0 +1,44 @@
+/*
+    SPDX-FileCopyrightText: 2014 Montel Laurent <montel@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef KSPLITTERCOLLAPSERBUTTONTEST_H
+#define KSPLITTERCOLLAPSERBUTTONTEST_H
+
+#include <QWidget>
+class QSplitter;
+class QTextEdit;
+
+class TestSplitter : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit TestSplitter(QWidget *parent = nullptr);
+    QSplitter *splitter;
+    QTextEdit *edit1;
+    QTextEdit *edit2;
+};
+
+class KSplitterCollapserButtonTest : public QObject
+{
+    Q_OBJECT
+public:
+    explicit KSplitterCollapserButtonTest(QObject *parent = nullptr);
+    ~KSplitterCollapserButtonTest() override;
+
+private Q_SLOTS:
+    void shouldHaveDefaultValue();
+    void shouldCollapseWhenClickOnButton();
+    void shouldRestoreCorrectPosition();
+    void shouldRestoreCorrectPositionForFirstWidget();
+    void shouldTestVerticalSplitterFirstWidget();
+    void shouldTestVerticalSplitterSecondWidget();
+    void shouldBeVisible_data();
+    void shouldBeVisible();
+    void shouldBeVisibleWhenMovingHandle_data();
+    void shouldBeVisibleWhenMovingHandle();
+};
+
+#endif // KSPLITTERCOLLAPSERBUTTONTEST_H