Index: trunk/test/unit/org/openstreetmap/josm/actions/JoinAreasActionTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/actions/JoinAreasActionTest.java	(revision 15843)
+++ trunk/test/unit/org/openstreetmap/josm/actions/JoinAreasActionTest.java	(revision 15852)
@@ -15,5 +15,4 @@
 import java.util.Set;
 
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
@@ -50,5 +49,5 @@
     @Rule
     @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
-    public JOSMTestRules test = new JOSMTestRules().main().projection();
+    public JOSMTestRules test = new JOSMTestRules().main().projection().preferences();
 
     /**
@@ -58,5 +57,4 @@
      */
     @Test
-    @Ignore("disable this test, needs further working") // XXX
     public void testTicket10511() throws IOException, IllegalDataException {
         try (InputStream is = TestUtils.getRegressionDataStream(10511, "10511_mini.osm")) {
@@ -66,4 +64,6 @@
             try {
                 new JoinAreasAction(false).join(ds.getWays());
+                Collection<IPrimitive> found = SearchAction.searchAndReturn("type:way", SearchMode.replace);
+                assertEquals(1, found.size());
             } finally {
                 // Ensure we clean the place before leaving, even if test fails.