Index: trunk/test/unit/org/openstreetmap/josm/data/osm/StorageTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/osm/StorageTest.java	(revision 11383)
+++ trunk/test/unit/org/openstreetmap/josm/data/osm/StorageTest.java	(revision 11392)
@@ -2,5 +2,4 @@
 package org.openstreetmap.josm.data.osm;
 
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
@@ -9,4 +8,5 @@
 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import nl.jqno.equalsverifier.EqualsVerifier;
+import nl.jqno.equalsverifier.Warning;
 
 /**
@@ -26,11 +26,8 @@
      */
     @Test
-    @Ignore("not ready")
     public void testEqualsContract() {
         EqualsVerifier.forClass(Storage.class).usingGetClass()
-            /*.withPrefabValues(Collection.class, new HashSet<>(Arrays.asList(1)), new HashSet<>(Arrays.asList(2)))
-            .withPrefabValues(AbstractCollection.class, new HashSet<>(Arrays.asList(1)), new HashSet<>(Arrays.asList(2)))
-            .withPrefabValues(Set.class, new HashSet<>(Arrays.asList(1)), new HashSet<>(Arrays.asList(2)))
-            .withPrefabValues(AbstractSet.class, new HashSet<>(Arrays.asList(1)), new HashSet<>(Arrays.asList(2)))*/
+            .suppress(Warning.NONFINAL_FIELDS)
+            .withIgnoredFields("arrayCopyNecessary", "hash", "mask", "modCount", "safeIterator", "size")
             .withPrefabValues(Hash.class, Storage.<Integer>defaultHash(), Storage.<Boolean>defaultHash())
             .verify();