diff -r f516ee1ef36c -r 26c303c3f1aa devtools/testlib.py
--- a/devtools/testlib.py	Mon Oct 25 16:28:05 2010 +0200
+++ b/devtools/testlib.py	Mon Oct 25 17:15:46 2010 +0200
@@ -25,7 +25,7 @@
 import sys
 import re
 import urlparse
-from os.path import dirname, join
+from os.path import dirname, join, abspath
 from urllib import unquote
 from math import log
 from contextlib import contextmanager
@@ -199,7 +199,7 @@
         try:
             return cls.__dict__['_config']
         except KeyError:
-            home = join(dirname(sys.modules[cls.__module__].__file__), cls.appid)
+            home = abspath(join(dirname(sys.modules[cls.__module__].__file__), cls.appid))
             config = cls._config = cls.configcls(cls.appid, apphome=home)
             config.mode = 'test'
             return config