Update the url-classifier request format test. b=400635, r=tony

toolkit/components/url-classifier/tests/unit/test_dbservice.js

@@ -57,7 +57,7 @@ function tablesCallback(tables)
   // there's a leading \n here because splitting left an empty string
   // after the trailing newline, which will sort first
   do_check_eq(parts.join("\n"),
-              "\ntesting-malware-simple;a:1\ntesting-phish-simple;a:2s:3");
+              "\ntesting-malware-simple;a:1\ntesting-phish-simple;a:2:s:3");
   do_test_finished();
 }