Dialog Test: Add a test for making the dialog fullscreen

We seem to have code in order to toggle between fullscreen/normal in the
dialog. It's good to have a test since it clearly does not work.

tests/dialog_fullscreen.qml

@@ -0,0 +1,59 @@
+/*
+ *   Copyright 2014 Vishesh Handa <vhanda@kde.org>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as
+ *   published by the Free Software Foundation; either version 2,
+ *   or (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details
+ *
+ *   You should have received a copy of the GNU Library General Public
+ *   License along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+import QtQuick 2.0
+
+import QtQuick.Controls 1.1 as Controls
+import QtQuick.Layouts 1.1
+
+import org.kde.plasma.core 2.0 as PlasmaCore
+
+
+PlasmaCore.Dialog {
+    id: dialog
+    location: PlasmaCore.Types.Floating
+
+    ColumnLayout {
+        Controls.Label {
+            Layout.maximumWidth: rect.width
+            wrapMode: Text.WordWrap
+            text: "Clicking on the rectangle should toggle the full screen mode. Make sure it retains its original geometry when jumping in between full screen and normal"
+        }
+
+        Rectangle {
+            id: rect
+            color: "green"
+
+            width: 500
+            height: 500
+
+            MouseArea {
+                anchors.fill: parent
+                onClicked: {
+                    if (dialog.location != PlasmaCore.Types.FullScreen) {
+                        dialog.location = PlasmaCore.Types.FullScreen;
+                    }
+                    else {
+                        dialog.location = PlasmaCore.Types.Floating;
+                    }
+                }
+            }
+        }
+    }
+}