diff --git a/packages/w3up-client/test/client.test.js b/packages/w3up-client/test/client.test.js
index 90edb8b02..472477dea 100644
--- a/packages/w3up-client/test/client.test.js
+++ b/packages/w3up-client/test/client.test.js
@@ -22,7 +22,7 @@ import { toCAR } from './helpers/car.js'
 import { mockService, mockServiceConf } from './helpers/mocks.js'
 import { File } from './helpers/shims.js'
 import { Client } from '../src/client.js'
-import { validateAuthorization } from './helpers/utils.js'
+import { validateAuthorization, setupBlobAddResponse } from './helpers/utils.js'
 import { getFilecoinOfferResponse } from './helpers/filecoin.js'
 
 describe('Client', () => {
@@ -43,19 +43,10 @@ describe('Client', () => {
             assert.equal(invocation.capabilities.length, 1)
             assert.equal(capability.can, BlobCapabilities.add.can)
             assert.equal(capability.with, alice.currentSpace()?.did())
-
-            return {
-              ok: {
-                status: 'upload',
-                headers: { 'x-test': 'true' },
-                url: 'http://localhost:9200',
-                link: /** @type {import('@web3-storage/upload-client/types').CARLink} */ (
-                  invocation.capabilities[0].nb?.link
-                ),
-                with: space.did(),
-                allocated: capability.nb.size,
-              },
-            }
+            return setupBlobAddResponse(
+              { issuer: space, with: space, proofs: [], audience: alice.agent },
+              invocation
+            )
           }),
         },
         filecoin: {
@@ -112,8 +103,8 @@ describe('Client', () => {
         },
       })
 
-      assert(service.store.add.called)
-      assert.equal(service.store.add.callCount, 1)
+      assert(service.blob.add.called)
+      assert.equal(service.blob.add.callCount, 1)
       assert(service.upload.add.called)
       assert.equal(service.upload.add.callCount, 1)
 
@@ -219,8 +210,8 @@ describe('Client', () => {
         },
       })
 
-      assert(service.store.add.called)
-      assert.equal(service.store.add.callCount, 1)
+      assert(service.blob.add.called)
+      assert.equal(service.blob.add.callCount, 1)
       assert(service.upload.add.called)
       assert.equal(service.upload.add.callCount, 1)
 
@@ -311,8 +302,8 @@ describe('Client', () => {
         },
       })
 
-      assert(service.store.add.called)
-      assert.equal(service.store.add.callCount, 1)
+      assert(service.blob.add.called)
+      assert.equal(service.blob.add.callCount, 1)
       assert(service.upload.add.called)
       assert.equal(service.upload.add.callCount, 1)
     })