diff --git a/extensions/bluebubbles/src/monitor.test.ts b/extensions/bluebubbles/src/monitor.test.ts
index 0680c0e15c3..4417c3198b5 100644
--- a/extensions/bluebubbles/src/monitor.test.ts
+++ b/extensions/bluebubbles/src/monitor.test.ts
@@ -103,6 +103,7 @@ function createMockRuntime(): PluginRuntime {
     system: {
       enqueueSystemEvent:
         mockEnqueueSystemEvent as unknown as PluginRuntime["system"]["enqueueSystemEvent"],
+      requestHeartbeatNow: vi.fn() as unknown as PluginRuntime["system"]["requestHeartbeatNow"],
       runCommandWithTimeout: vi.fn() as unknown as PluginRuntime["system"]["runCommandWithTimeout"],
       formatNativeDependencyHint: vi.fn(
         () => "",