diff -r 000000000000 -r 6474c204b198 storage/test/storage_test_harness_tail.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/storage/test/storage_test_harness_tail.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef TEST_NAME
+#error "Must #define TEST_NAME before including storage_test_harness_tail.h"
+#endif
+
+#ifndef TEST_FILE
+#error "Must #define TEST_FILE before include storage_test_harness_tail.h"
+#endif
+
+int
+main(int aArgc,
+     char **aArgv)
+{
+  ScopedXPCOM xpcom(TEST_NAME);
+
+  for (size_t i = 0; i < mozilla::ArrayLength(gTests); i++)
+    gTests[i]();
+
+  if (gPassedTests == gTotalTests)
+    passed(TEST_FILE);
+
+  (void)printf("%i of %i tests passed\n", gPassedTests, gTotalTests);
+}