diff --git a/packages/client/test-runtime/tests/runtime.spec.tsx b/packages/client/test-runtime/tests/runtime.spec.tsx
index e63fcc3821..70274717b3 100644
--- a/packages/client/test-runtime/tests/runtime.spec.tsx
+++ b/packages/client/test-runtime/tests/runtime.spec.tsx
@@ -442,6 +442,7 @@ describe('fixture session face', () => {
     const bare = runtime.sessions.behavior('s1')
     expect(() => bare.prompt()).toThrow(/prompt is not stubbed/)
     expect(() => bare.cancel()).toThrow(/cancel is not stubbed/)
+    expect(() => bare.command()).toThrow(/command is not stubbed/)
     expect(() => bare.loadOlder()).toThrow(/loadOlder is not stubbed/)
     await runtime.dispose()
   })