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Is the CLA required for something so trivial?

@jdufresne Thank you for your contribution!

CLA is required, yes, regardless of the contribution size, otherwise the bot will not allow to merge a PR.

@googlebot I signed it!

FWIW, that failed system test is known flakiness.

@tswast We now actually have the job ID in the logs to investigate, I have shared it with you privately.

@plamut Thanks for the review. I've applied the suggestion to the latest revision.