Port two representative BATS E2E tests (postgres, bucket) to Kyverno
Chainsaw as a pilot for replacing the bash-based suite. Declarative
asserts replace the timeout/until polling boilerplate, catch blocks
add automatic failure diagnostics, and script steps cover the
imperative probes (psql, mc S3 access checks).
Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Myasnikov Daniil <myasnikovdaniil2001@gmail.com>
