1 files changed, 6 insertions, 0 deletions
diff --git a/testing/xpcshell/example/unit/test_do_check_null_failing.js b/testing/xpcshell/example/unit/test_do_check_null_failing.js
new file mode 100644
index 0000000000..981f5c838c
--- /dev/null
+++ b/testing/xpcshell/example/unit/test_do_check_null_failing.js
@@ -0,0 +1,6 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  Assert.equal(null, 0);
+}