Index: trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java	(revision 9145)
+++ trunk/test/unit/org/openstreetmap/josm/tools/ImageProviderTest.java	(revision 9147)
@@ -10,5 +10,7 @@
 import java.io.IOException;
 
+import org.junit.BeforeClass;
 import org.junit.Test;
+import org.openstreetmap.josm.JOSMFixture;
 import org.openstreetmap.josm.TestUtils;
 
@@ -17,4 +19,12 @@
  */
 public class ImageProviderTest {
+
+    /**
+     * Setup test.
+     */
+    @BeforeClass
+    public static void setUp() {
+        JOSMFixture.createUnitTestFixture().init();
+    }
 
     /**
@@ -41,3 +51,9 @@
         assertNotNull(img);
     }
+
+    @Test
+    public void testWikiProtocol() throws Exception {
+        // https://commons.wikimedia.org/wiki/File:OpenJDK_logo.svg
+        assertNotNull(ImageProvider.get("wiki://OpenJDK_logo.svg"));
+    }
 }