test: expected code and expected message

[danieljbruce]

This PR is written to include a new test that ensures grpc errors bubble up to the user after the total amount of retries are exhausted for a retryable error.

[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/