Added several ids to be used in integration tests:

-Marketplace, printer pref, add/manage printer from main mnu, print settings

resources/qml/PrintSetupSelector/PrintSetupSelectorContents.qml

@@ -149,6 +149,7 @@ Item
 
         Cura.SecondaryButton
         {
+            id: customSettingsButton
             anchors.top: parent.top
             anchors.right: parent.right
             anchors.margins: UM.Theme.getSize("default_margin").width