Disable test for bug 427559 on linux..

browser/base/content/test/Makefile.in

@@ -58,6 +58,11 @@ _BROWSER_FILES = browser_bug321000.js \
                  autodiscovery.html \
                  moz.png \
                  browser_getshortcutoruri.js \
+    $(NULL)
+
+# disable tests on linux for now..
+ifneq ($(OS_ARCH),Linux)
+_BROWSER_FILES += \
                  browser_bug427559.js \
     $(NULL)