TestBench: Add activeFocusOnTab property and Label

Change-Id: I0e416d21987d0b36f7ae2a7d537276889bc067e1
Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>

tests/manual/testbench/content/Components.qml

@@ -53,6 +53,7 @@ Item {
     property Component textarea: TextArea { text: loremIpsum }
     property Component toolbar: ToolBar { }
     property Component statusbar: StatusBar { }
+    property Component label: Label {text: "I am a label" }
     property Component tableview: TableView { model: testDataModel ; TableViewColumn {title: "Column 1"}}
     property Component tabView: TabView { Repeater { model: 3 ; delegate:Tab { title: "Tab " + index } }}
     property Component scrollview: ScrollView {
@@ -126,6 +127,7 @@ Item {
             append({ name: "ScrollView",    component: scrollview});
             append({ name: "GroupBox",      component: groupbox});
             append({ name: "TabView",       component: tabView});
+            append({ name: "Label",         component: label});
         }
     }
 }

tests/manual/testbench/main.qml

@@ -184,6 +184,7 @@ ApplicationWindow {
                                     switch (substr) {
 
                                     case "ActiveFocusOnPress":
+                                    case "ActiveFocusOnTab":
                                     case "Enabled":
                                     case "Visible":
                                     case "Checkable":