POC: Inject metadata to k6 browser session such as testId (Grafana Faro x k6 browser)

[mdcruz]

Feature Description

As part of the early discussions we've been having with the Grafana team, we've identified a potential integration that could link k6 browser closely with Grafana Faro. Real user monitoring is needed but it would be handy if we can leverage k6 browser to mimic the user interaction and duplicate the interaction earlier on.

In order for Grafana Faro to integrate with k6 browser, Grafana Faro needs a way to identify if a user session is generated by a test script from k6 browser or if it's actual user interaction.

This POC is to determine how to inject a unique identifier such as a testId to a k6 browser session.

Suggested Solution (optional)

No response

Already existing or connected issues / PRs (optional)

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[mdcruz]

Transferred from https://github.com/grafana/k6-cloud/issues/1626