test(publish): use mocked telemetry recorder

[bajtos]

This commit partially ports https://github.com/filecoin-station/voyager-api/pull/22 to this repository:

• Introduce test-helpers and platform-test-helpers
• Rework the test file to use these new helpers

[bajtos]

@juliangruber hindsight please 🙏🏻

[sentry-io[bot]]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ TypeError: recordTelemetry is not a function publish(index) View Issue

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