Index: trunk/test/unit/org/openstreetmap/josm/gui/datatransfer/OsmTransferHandlerTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/gui/datatransfer/OsmTransferHandlerTest.java	(revision 12907)
+++ trunk/test/unit/org/openstreetmap/josm/gui/datatransfer/OsmTransferHandlerTest.java	(revision 12922)
@@ -14,4 +14,5 @@
 import org.openstreetmap.josm.data.osm.DataSet;
 import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.gui.MainApplication;
 import org.openstreetmap.josm.gui.layer.OsmDataLayer;
 import org.openstreetmap.josm.testutils.JOSMTestRules;
@@ -64,5 +65,5 @@
     public void testPasteTags() {
         Node n = new Node(LatLon.ZERO);
-        new DataSet(n);
+        MainApplication.getLayerManager().addLayer(new OsmDataLayer(new DataSet(n), "testPasteTags", null));
 
         ClipboardUtils.copyString("test=ok");