[skip ci] fix e2e history

e2e/src/advanced/history.prod.e2e-spec.js

@@ -36,10 +36,8 @@ describe('> navigating IAV via history', () => {
       delta: [ Math.round(width / 8), Math.round(height / 8) ]
     })
     await iavPage.wait(5000)
-    await iavPage.waitUntilAllChunksLoaded()
     await iavPage.historyBack()
     await iavPage.wait(5000)
-    await iavPage.waitUntilAllChunksLoaded()
 
     const nav2 = await iavPage.getNavigationState()
     // expect some positions to change after dragging
@@ -51,10 +49,8 @@ describe('> navigating IAV via history', () => {
   it('> history back, viewer should despawn ', async () => {
 
     await iavPage.wait(5000)
-    await iavPage.waitUntilAllChunksLoaded()
     await iavPage.historyBack()
     await iavPage.wait(5000)
-    await iavPage.waitUntilAllChunksLoaded()
 
     const flag = await iavPage.viewerIsPopulated()
     expect(flag).toBeFalse()