diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@
 
 find_package(KF5 ${KF5_DEP_VERSION} REQUIRED COMPONENTS
                 Config ConfigWidgets I18n IconThemes KIO Notifications Wayland
-                WidgetsAddons WindowSystem
+                WidgetsAddons WindowSystem ConfigWidgets
 )
 
 find_package(XCB COMPONENTS XCB)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -2,4 +2,4 @@
 target_link_libraries(qfiledialogtest Qt5::Core Qt5::Widgets)
 
 add_executable(windowdecotest windowdecotest.cpp)
-target_link_libraries(windowdecotest Qt5::Core Qt5::Widgets)
+target_link_libraries(windowdecotest Qt5::Core Qt5::Widgets KF5::ConfigWidgets)
diff --git a/tests/windowdecotest.cpp b/tests/windowdecotest.cpp
--- a/tests/windowdecotest.cpp
+++ b/tests/windowdecotest.cpp
@@ -26,6 +26,12 @@
 #include <QPushButton>
 #include <QVBoxLayout>
 #include <QTimer>
+#include <KColorSchemeManager>
+#include <KActionMenu>
+#include <QComboBox>
+#include <QToolButton>
+#include <QDebug>
+
 
 class ATestWindow: public QWidget
 {
@@ -50,8 +56,17 @@
         QTimer::singleShot(1000, this, [this](){this->show();});
     });
 
+    QComboBox *colorCombo = new QComboBox();
+    KColorSchemeManager *schemes = new KColorSchemeManager(this);
+    colorCombo->setModel(schemes->model());
+
+    connect(colorCombo, QOverload<int>::of(&QComboBox::activated), schemes, [=](int row) {
+        schemes->activateScheme(colorCombo->model()->index(row, 0));
+    });
+
     QVBoxLayout *layout = new QVBoxLayout;
     layout->addWidget(mBtn);
+    layout->addWidget(colorCombo);
     setLayout(layout);
 }