1 files changed, 16 insertions, 0 deletions
diff --git a/testing/xpcshell/example/unit/test_prefs_defaults_included.js b/testing/xpcshell/example/unit/test_prefs_defaults_included.js
new file mode 100644
index 0000000000..c092faf5c3
--- /dev/null
+++ b/testing/xpcshell/example/unit/test_prefs_defaults_included.js
@@ -0,0 +1,16 @@
+/* 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/. */
+
+function run_test() {
+  /* import-globals-from prefs_test_common.js */
+  load("prefs_test_common.js");
+
+  check_common_xpcshell_with_prefs();
+
+  Assert.equal(
+    Services.prefs.getStringPref("dummy.pref.from.test.ancestor"),
+    "ReplacedParent",
+    "Pref set in included test manifest takes precedence over ancestor"
+  );
+}