diff -r 000000000000 -r 6474c204b198 toolkit/components/url-classifier/tests/mochitest/import.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/url-classifier/tests/mochitest/import.css	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,3 @@
+/* malware.example.com is in the malware database.
+   classifierBad.css does not actually exist. */
+@import url("http://malware.example.com/tests/docshell/test/classifierBad.css");