diff --git a/ts/session/apis/snode_api/expireRequest.ts b/ts/session/apis/snode_api/expireRequest.ts
index f947a8882..c58a221d9 100644
--- a/ts/session/apis/snode_api/expireRequest.ts
+++ b/ts/session/apis/snode_api/expireRequest.ts
@@ -14,7 +14,13 @@ import { SnodeSignature } from './snodeSignatures';
 import { ExpireMessageResultItem, ExpireMessagesResultsContent } from './types';
 import { SeedNodeAPI } from '../seed_node_api';
 
-async function verifyExpireMsgsResponseSignature({
+export type verifyExpireMsgsResponseSignatureProps = ExpireMessageResultItem & {
+  pubkey: string;
+  snodePubkey: any;
+  messageHashes: Array<string>;
+};
+
+export async function verifyExpireMsgsResponseSignature({
   pubkey,
   snodePubkey,
   messageHashes,
@@ -22,11 +28,7 @@ async function verifyExpireMsgsResponseSignature({
   signature,
   updated,
   unchanged,
-}: ExpireMessageResultItem & {
-  pubkey: string;
-  snodePubkey: any;
-  messageHashes: Array<string>;
-}): Promise<boolean> {
+}: verifyExpireMsgsResponseSignatureProps): Promise<boolean> {
   if (!expiry || isEmpty(messageHashes) || isEmpty(signature)) {
     window.log.warn(
       `WIP: [verifyExpireMsgsSignature] missing argument\nexpiry:${expiry}\nmessageHashes:${messageHashes}\nsignature:${signature}`
diff --git a/ts/test/session/unit/disappearing/ExpireRequest_test.ts b/ts/test/session/unit/disappearing/ExpireRequest_test.ts
index 827ff2321..1baf459f1 100644
--- a/ts/test/session/unit/disappearing/ExpireRequest_test.ts
+++ b/ts/test/session/unit/disappearing/ExpireRequest_test.ts
@@ -5,6 +5,8 @@ import { stubWindowLog } from '../../../test-utils/utils';
 import {
   ExpireMessageOnSnodeProps,
   buildExpireRequest,
+  verifyExpireMsgsResponseSignature,
+  verifyExpireMsgsResponseSignatureProps,
 } from '../../../../session/apis/snode_api/expireRequest';
 import { UpdateExpiryOnNodeSubRequest } from '../../../../session/apis/snode_api/SnodeRequestTypes';
 import { UserUtils } from '../../../../session/utils';
@@ -13,11 +15,11 @@ import { GetNetworkTime } from '../../../../session/apis/snode_api/getNetworkTim
 
 chai.use(chaiAsPromised as any);
 
-describe('Snode /expire request', () => {
+describe('ExpireRequest', () => {
   stubWindowLog();
 
   const getLatestTimestampOffset = 200000;
-  const ourNumber = '051234567890acbdef';
+  const ourNumber = '37e1631b002de498caf7c5c1712718bde7f257c6dadeed0c21abf5e939e6c309';
   const ourUserEd25516Keypair = {
     pubKey: '37e1631b002de498caf7c5c1712718bde7f257c6dadeed0c21abf5e939e6c309',
     privKey:
@@ -43,8 +45,6 @@ describe('Snode /expire request', () => {
     it('builds a request with just the messageHash and expireTimer of 1 minute', async () => {
       const request: UpdateExpiryOnNodeSubRequest | null = await buildExpireRequest(props);
 
-      window.log.debug(`WIP: [unit testing] signature ${request?.params.signature} `);
-
       expect(request, 'should not return null').to.not.be.null;
       expect(request, 'should not return undefined').to.not.be.undefined;
       expect(request, "method should be 'expire'").to.have.property('method', 'expire');
@@ -66,8 +66,6 @@ describe('Snode /expire request', () => {
         extend: true,
       });
 
-      window.log.debug(`WIP: [unit testing] signature ${request?.params.signature} `);
-
       expect(request, 'should not return null').to.not.be.null;
       expect(request, 'should not return undefined').to.not.be.undefined;
       expect(request, "method should be 'expire'").to.have.property('method', 'expire');
@@ -89,8 +87,6 @@ describe('Snode /expire request', () => {
         shorten: true,
       });
 
-      window.log.debug(`WIP: [unit testing] signature ${request?.params.signature} `);
-
       expect(request, 'should not return null').to.not.be.null;
       expect(request, 'should not return undefined').to.not.be.undefined;
       expect(request, "method should be 'expire'").to.have.property('method', 'expire');
@@ -116,4 +112,39 @@ describe('Snode /expire request', () => {
       expect(request, 'should return null').to.be.null;
     });
   });
+
+  describe('verifyExpireMsgsResponseSignature', () => {
+    const props: verifyExpireMsgsResponseSignatureProps = {
+      pubkey: '058dc8432a63f9dda4d642bfc3eb5e037838bbd779f73e0a6dfb92b8040a1e7848',
+      snodePubkey: 'd9a0fe4581988bdbb3a586f0b254ef60f4e411523be6267b128d1d49bb4585bb',
+      messageHashes: ['MVeBDGJz+O1NXcb8f8u9zEjJuwJidwwFYazrgOCqdDg'],
+      expiry: 1696913568281,
+      signature:
+        '8j/1IR3Cnbf0XLL0G+unge6888alheMLAcWehRbQ8zOChqxXwOBHmGu6ZZ99dhvhL8laPg3UAtVcf2iW1CViCQ==',
+      updated: ['MVeBDGJz+O1NXcb8f8u9zEjJuwJidwwFYazrgOCqdDg'],
+      unchanged: {},
+    };
+
+    it('returns true if the signature is valid', async () => {
+      const isValid = await verifyExpireMsgsResponseSignature(props);
+      expect(isValid, 'should return true').to.be.true;
+    });
+    it('returns false if the signature is invalid', async () => {
+      // use a different pubkey to invalidate the signature
+      const isValid = await verifyExpireMsgsResponseSignature({ ...props, pubkey: ourNumber });
+      expect(isValid, 'should return false').to.be.false;
+    });
+    it('returns false if response is missing the expiry timestamp', async () => {
+      const isValid = await verifyExpireMsgsResponseSignature({ ...props, expiry: 0 });
+      expect(isValid, 'should return false').to.be.false;
+    });
+    it('returns false if response is missing the messageHashes', async () => {
+      const isValid = await verifyExpireMsgsResponseSignature({ ...props, messageHashes: [] });
+      expect(isValid, 'should return false').to.be.false;
+    });
+    it('returns false if response is missing the signature', async () => {
+      const isValid = await verifyExpireMsgsResponseSignature({ ...props, signature: '' });
+      expect(isValid, 'should return false').to.be.false;
+    });
+  });
 });