Index: /trunk/test/unit/org/openstreetmap/josm/gui/preferences/imagery/ImageryPreferenceTestIT.java
===================================================================
--- /trunk/test/unit/org/openstreetmap/josm/gui/preferences/imagery/ImageryPreferenceTestIT.java	(revision 14543)
+++ /trunk/test/unit/org/openstreetmap/josm/gui/preferences/imagery/ImageryPreferenceTestIT.java	(revision 14544)
@@ -112,4 +112,8 @@
                     }
                     return Optional.of(data);
+                } catch (IOException e) {
+                    if (response.getResponseCode() < 300) {
+                        addError(info, url + " -> " + e);
+                    }
                 } finally {
                     response.disconnect();