issue with ipfs-core pubsub when starting using existing repo

test-ipfs-pubsub.js

/*
first time running should be fine. ipfs nodes are able to become pubsub peers.
second time running should not be fine. ipfs nodes are able to swarm connect but do not pubsub peer.
*/

import * as IPFS from 'ipfs-core'

const localIpfsOptions = (repo) => ({
  repo,
  config: {
    Addresses: {
      Swarm: ['/ip4/127.0.0.1/tcp/0'],
      Announce: [],
      NoAnnounce: [],
      Delegates: []
    },
    Bootstrap: [],
    Pubsub: {
      Router: 'gossipsub',
      Enabled: true
    }
  }
})

const ipfs1 = await IPFS.create(localIpfsOptions('./scratch/1/ipfs'))
const ipfs2 = await IPFS.create(localIpfsOptions('./scratch/2/ipfs'))

const id1 = await ipfs1.id()
const id2 = await ipfs2.id()

// uncomment for successful pubsub re-peering
// await ipfs1.libp2p.peerStore.delete(id2.id)

// get `Error: The dial request has no valid addresses` error if no timeout
await new Promise(resolve => setTimeout(resolve, 2000))

await ipfs1.swarm.connect(id2.id)
await ipfs2.swarm.connect(id1.id)

await ipfs1.pubsub.subscribe('topic')
await ipfs2.pubsub.subscribe('topic')

const getPeers = async (pubsub) => await pubsub.peers('topic')

await new Promise(resolve => setTimeout(resolve, 1000))

console.log(await getPeers(ipfs1.pubsub))