Index: trunk/test/unit/org/openstreetmap/josm/io/session/SessionWriterTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/io/session/SessionWriterTest.java	(revision 8836)
+++ trunk/test/unit/org/openstreetmap/josm/io/session/SessionWriterTest.java	(revision 8837)
@@ -32,6 +32,6 @@
 public class SessionWriterTest {
 
-    private static class OsmHeadlessJosExporter extends OsmDataSessionExporter {
-        OsmHeadlessJosExporter(OsmDataLayer layer) {
+    protected static final class OsmHeadlessJosExporter extends OsmDataSessionExporter {
+        public OsmHeadlessJosExporter(OsmDataLayer layer) {
             super(layer);
         }
@@ -43,6 +43,6 @@
     }
 
-    private static class OsmHeadlessJozExporter extends OsmDataSessionExporter {
-        OsmHeadlessJozExporter(OsmDataLayer layer) {
+    protected static final class OsmHeadlessJozExporter extends OsmDataSessionExporter {
+        public OsmHeadlessJozExporter(OsmDataLayer layer) {
             super(layer);
         }
@@ -54,6 +54,6 @@
     }
 
-    private static class GpxHeadlessJosExporter extends GpxTracksSessionExporter {
-        GpxHeadlessJosExporter(GpxLayer layer) {
+    protected static final class GpxHeadlessJosExporter extends GpxTracksSessionExporter {
+        public GpxHeadlessJosExporter(GpxLayer layer) {
             super(layer);
         }
@@ -65,6 +65,6 @@
     }
 
-    private static class GpxHeadlessJozExporter extends GpxTracksSessionExporter {
-        GpxHeadlessJozExporter(GpxLayer layer) {
+    protected static final class GpxHeadlessJozExporter extends GpxTracksSessionExporter {
+        public GpxHeadlessJozExporter(GpxLayer layer) {
             super(layer);
         }
@@ -197,4 +197,8 @@
     }
 
+    /**
+     * Tests to write a .joz file containing an imagery layer.
+     * @throws IOException if any I/O error occurs
+     */
     @Test
     public void testWriteImageryLayer() throws IOException {