diff -r 000000000000 -r 6474c204b198 xpcom/tests/unit/compmgr_warnings.manifest
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/tests/unit/compmgr_warnings.manifest	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+# The following line is malformed (mismatched braces)
+component {94b346d7-0cde-4e6e-b819-95d6f200bbf6 MyComponent.js
+
+component 94b346d7-0cde-4e6e-b819-95d6f200bbf7 MyComponent.js
+# The following line re-registers an existing CID
+component {94b346d7-0cde-4e6e-b819-95d6f200bbf7} MyOtherComponent.js
+
+# The following line maps a contractID to a non-existent CID
+contract @testing/foo {0c07730f-f875-436b-8deb-90c4251920ec}