Index: trunk/test/unit/org/openstreetmap/josm/actions/CreateMultipolygonActionTest.groovy
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/actions/CreateMultipolygonActionTest.groovy	(revision 6592)
+++ trunk/test/unit/org/openstreetmap/josm/actions/CreateMultipolygonActionTest.groovy	(revision 6597)
@@ -18,5 +18,5 @@
     }
 
-    def getRefToRoleMap(Relation relation) {
+    static def getRefToRoleMap(Relation relation) {
         def refToRole = new TreeMap<String, String>()
         for (i in relation.getMembers()) {
@@ -28,5 +28,5 @@
     void testCreate1() {
         def ds = OsmReader.parseDataSet(new FileInputStream(TestUtils.getTestDataRoot() + "create_multipolygon.osm"), null);
-        def mp = CreateMultipolygonAction.createMultipolygonCommand(ds.getWays(), Collections.emptyList())
+        def mp = CreateMultipolygonAction.createMultipolygonCommand(ds.getWays(), null)
         assert mp.a.getDescriptionText() == "Sequence: Create multipolygon"
         assert getRefToRoleMap(mp.b).toString() == "[1:outer, 1.1:inner, 1.1.1:outer, 1.1.2:outer, 1.2:inner]"
@@ -36,5 +36,5 @@
         def ds = OsmReader.parseDataSet(new FileInputStream(TestUtils.getTestDataRoot() + "create_multipolygon.osm"), null);
         def ways = Utils.filter(ds.getWays(), SearchCompiler.compile("ref=1 OR ref:1.1.", false, false))
-        def mp = CreateMultipolygonAction.createMultipolygonCommand(ways as Collection<Way>, Collections.emptyList())
+        def mp = CreateMultipolygonAction.createMultipolygonCommand(ways as Collection<Way>, null)
         assert getRefToRoleMap(mp.b).toString() == "[1:outer, 1.1.1:inner, 1.1.2:inner]"
     }
@@ -43,9 +43,9 @@
         def ds = OsmReader.parseDataSet(new FileInputStream(TestUtils.getTestDataRoot() + "create_multipolygon.osm"), null);
         def ways = Utils.filter(ds.getWays(), SearchCompiler.compile("ref=\".*1\$\"", false, true))
-        def mp = CreateMultipolygonAction.createMultipolygonCommand(ways as Collection<Way>, Collections.emptyList())
+        def mp = CreateMultipolygonAction.createMultipolygonCommand(ways as Collection<Way>, null)
         assert mp.b.getMembersCount() == 3
         assert getRefToRoleMap(mp.b).toString() == "[1:outer, 1.1:inner, 1.1.1:outer]"
         def ways2 = Utils.filter(ds.getWays(), SearchCompiler.compile("ref=1.2", false, true))
-        def mp2 = CreateMultipolygonAction.createMultipolygonCommand(ways2 as Collection<Way>, Collections.singleton(mp.b))
+        def mp2 = CreateMultipolygonAction.createMultipolygonCommand(ways2 as Collection<Way>, mp.b)
         assert mp2.b.getMembersCount() == 4
         assert getRefToRoleMap(mp2.b).toString() == "[1:outer, 1.1:inner, 1.1.1:outer, 1.2:inner]"
@@ -55,8 +55,8 @@
         def ds = OsmReader.parseDataSet(new FileInputStream(TestUtils.getTestDataRoot() + "create_multipolygon.osm"), null);
         def ways = Utils.filter(ds.getWays(), SearchCompiler.compile("ref=1 OR ref:1.1.1", false, false))
-        def mp = CreateMultipolygonAction.createMultipolygonCommand(ways as Collection<Way>, Collections.emptyList())
+        def mp = CreateMultipolygonAction.createMultipolygonCommand(ways as Collection<Way>, null)
         assert getRefToRoleMap(mp.b).toString() == "[1:outer, 1.1.1:inner]"
         def ways2 = Utils.filter(ds.getWays(), SearchCompiler.compile("ref=1.1 OR ref=1.2 OR ref=1.1.2", false, true))
-        def mp2 = CreateMultipolygonAction.createMultipolygonCommand(ways2 as Collection<Way>, Collections.singleton(mp.b))
+        def mp2 = CreateMultipolygonAction.createMultipolygonCommand(ways2 as Collection<Way>, mp.b)
         assert getRefToRoleMap(mp2.b).toString() == "[1:outer, 1.1:inner, 1.1.1:outer, 1.1.2:outer, 1.2:inner]"
     }