global $wgMainCacheType, $wgMessageCacheType, $wgParserCacheType;
global $wgLanguageConverterCacheType, $wgUseDatabaseMessages;
global $wgLocaltimezone, $wgLocalisationCacheConf;
+ global $wgDevelopmentWarnings;
+
+ // wfWarn should cause tests to fail
+ $wgDevelopmentWarnings = true;
$wgMainCacheType = CACHE_NONE;
$wgMessageCacheType = CACHE_NONE;