Improve test helper efficiency: crypto/rand and exponential backoff#12

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Copilot wants to merge 3 commits intomainfrom

copilot/add-repo-description-suggest-improvements

Commits on Nov 28, 2025

Initial plan
Copilot
committed
Initial plan for adding repo description and improving slow/inefficient code

Copilot
and
tblakex01
committed
Improve randInt() to use crypto/rand and add exponential backoff to WaitForClusterReady

Copilot
and
tblakex01
committed