diff --git a/src/testcases/parallel/subdao.test.ts b/src/testcases/parallel/subdao.test.ts
index 18852084..72f0c6ca 100644
--- a/src/testcases/parallel/subdao.test.ts
+++ b/src/testcases/parallel/subdao.test.ts
@@ -268,7 +268,7 @@ describe('Neutron / Subdao', () => {
 
       const timelockedProp = await subdaoMember1.supportAndExecuteProposal(
         proposalId3,
-      ); // Q: will throw?
+      );
 
       expect(timelockedProp.id).toEqual(proposalId3);
       expect(timelockedProp.status).toEqual('timelocked');
@@ -288,7 +288,9 @@ describe('Neutron / Subdao', () => {
       //wait for timelock durations
       await wait(20);
       // timelocked proposal execution failed due to invalid param value
-      await subdaoMember1.executeTimelockedProposal(proposalId3);
+      await expect(
+        subdaoMember1.executeTimelockedProposal(proposalId3),
+      ).rejects.toThrow();
       const timelockedProp = await subDao.getTimelockedProposal(proposalId3);
       expect(timelockedProp.id).toEqual(proposalId3);
       expect(timelockedProp.status).toEqual('timelocked');