remove invalid assertion

success event never seems to have included "bytesTotal" in payload
this assertion was mistakenly moved from onProgress to success in 1b5c0d7

packages/@uppy/companion/test/__tests__/uploader.js

@@ -149,13 +149,12 @@ describe('uploader with tus protocol', () => {
       // emulate socket connection
       socketClient.connect(uploadToken)
       socketClient.onProgress(uploadToken, (message) => {
-        if (firstReceivedProgress == null) firstReceivedProgress = message.payload.bytesUploaded
+        if (firstReceivedProgress == null) firstReceivedProgress = message.payload
       })
       socketClient.onUploadSuccess(uploadToken, (message) => {
         try {
-          expect(message.payload.bytesTotal).toBe(fileContent.length)
+          expect(firstReceivedProgress.bytesUploaded).toBe(8192)
 
-          expect(firstReceivedProgress).toBe(8192)
           // see __mocks__/tus-js-client.js
           expect(message.payload.url).toBe('https://tus.endpoint/files/foo-bar')
         } catch (err) {