Index: applications/editors/josm/plugins/wikipedia/test/unit/org/wikipedia/WikidataTagCellRendererTest.java
===================================================================
--- applications/editors/josm/plugins/wikipedia/test/unit/org/wikipedia/WikidataTagCellRendererTest.java	(revision 32744)
+++ applications/editors/josm/plugins/wikipedia/test/unit/org/wikipedia/WikidataTagCellRendererTest.java	(revision 32829)
@@ -27,9 +27,8 @@
         final WikidataTagCellRenderer renderer = new WikidataTagCellRenderer();
         renderer.renderValues(ids, new JTable(), new JLabel());
-        Main.worker.submit(new Runnable() {
-            @Override
-            public void run() {
-            }
-        }).get(); // wait for labels to be fetched
+        for (String id : ids) {
+            // wait for labels to be fetched
+            renderer.labelCache.get(id).get();
+        }
         final JLabel label = renderer.renderValues(ids, new JTable(), new JLabel());
         assertNotNull(label);