Fix flakey failures of end-to-end-geth-governance-test in CI

[yorhodes]

Expected Behavior

Not failing more a quarter of the time

Current Behavior

Failing many times in a row before passing

It's quite a long test so this is very frustrating

[yorhodes]

https://app.circleci.com/pipelines/github/celo-org/celo-monorepo/33254/workflows/0b596d69-6052-47aa-ade9-bc62c023ced0/jobs/422783

[yorhodes]

https://app.circleci.com/pipelines/github/celo-org/celo-monorepo/33221/workflows/50870450-0055-4809-a2a8-a9c62084385f/jobs/422050

[github-actions[bot]]

This issue is stale and will be closed in 30 days without activity