diff --git a/rig-fixture-base.ts b/rig-fixture-base.ts
new file mode 100644
index 00000000000..55257b6f70b
--- /dev/null
+++ b/rig-fixture-base.ts
@@ -0,0 +1,3 @@
+export function activate(): void {
+  // rig fixture for PR 11080 verification (base arm)
+}