getPastEvents inconsistently returning undefined

[luu-alex]

#6474

const logs = await contractDeployed.getPastEvents('Transfer');
const tokenId = (logs[0] as EventLog)?.returnValues?.tokenId as string;

would sometimes return undefined in integration test. needs investigation

Expected behavior

Actual behavior

Steps to reproduce the behavior

1. [First step]
2. [Second step]
3. [and so on...]

Logs

Environment