1 files changed, 13 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/head_legacy_ep.js b/toolkit/components/extensions/test/xpcshell/head_legacy_ep.js
new file mode 100644
index 0000000000..8bb39c0452
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/head_legacy_ep.js
@@ -0,0 +1,13 @@
+"use strict";
+
+// Bug 1646182: Test the legacy ExtensionPermission backend until we fully
+// migrate to rkv
+
+{
+  const { ExtensionPermissions } = ChromeUtils.importESModule(
+    "resource://gre/modules/ExtensionPermissions.sys.mjs"
+  );
+
+  ExtensionPermissions._useLegacyStorageBackend = true;
+  ExtensionPermissions._uninit();
+}