Index: trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java	(revision 13813)
+++ trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java	(revision 13823)
@@ -64,6 +64,7 @@
         assertEquals(Transparency.TRANSLUCENT, ImageProvider.read(file, true, true).getTransparency());
         assertEquals(Transparency.TRANSLUCENT, ImageProvider.read(file, false, true).getTransparency());
-        assertEquals(Transparency.OPAQUE, ImageProvider.read(file, false, false).getTransparency());
-        assertEquals(Transparency.OPAQUE, ImageProvider.read(file, true, false).getTransparency());
+        long expectedTransparency = Utils.getJavaVersion() < 11 ? Transparency.OPAQUE : Transparency.TRANSLUCENT;
+        assertEquals(expectedTransparency, ImageProvider.read(file, false, false).getTransparency());
+        assertEquals(expectedTransparency, ImageProvider.read(file, true, false).getTransparency());
     }