Index: /trunk/test/unit/org/openstreetmap/josm/actions/OrthogonalizeActionTest.java
===================================================================
--- /trunk/test/unit/org/openstreetmap/josm/actions/OrthogonalizeActionTest.java	(revision 12358)
+++ /trunk/test/unit/org/openstreetmap/josm/actions/OrthogonalizeActionTest.java	(revision 12359)
@@ -10,4 +10,5 @@
 import org.junit.Rule;
 import org.junit.Test;
+import org.openstreetmap.josm.Main;
 import org.openstreetmap.josm.TestUtils;
 import org.openstreetmap.josm.actions.OrthogonalizeAction.Direction;
@@ -17,4 +18,5 @@
 import org.openstreetmap.josm.data.osm.Node;
 import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
 import org.openstreetmap.josm.io.OsmReader;
 import org.openstreetmap.josm.testutils.JOSMTestRules;
@@ -97,4 +99,6 @@
         try (FileInputStream in = new FileInputStream(TestUtils.getTestDataRoot() + "orthogonalize.osm")) {
             final DataSet ds = OsmReader.parseDataSet(in, null);
+            // TODO: Executing commands depends on active edit layer
+            Main.getLayerManager().addLayer(new OsmDataLayer(ds, "ds", null));
             for (String s : search) {
                 ds.addSelected(SubclassFilteredCollection.filter(ds.allPrimitives(), SearchCompiler.compile(s)));