test: increase timeout for flakey test

[danieljbruce]

The modified test is timing out. This change may allow the test to work more consistently so that the CI/CD pipeline isn't blocked.

[conventional-commit-lint-gcf[bot]]

🤖 I detect that the PR title and the commit message differ and there's only one commit. To use the PR title for the commit history, you can use Github's automerge feature with squashing, or use automerge label. Good luck human!

-- conventional-commit-lint bot https://conventionalcommits.org/