Two integration tests were red on `main` after the v3.8.28 release merged.
Integration tests do not gate PR->release, so these only surfaced on
push->main once the cycle's changes landed:
- v1-contracts-behavior count_tokens expected 3 (the old ceil(chars/4)
heuristic). #4087 switched the estimator to real tiktoken (countTextTokens):
"abcd" => 1, "12345678" => 3, total 4. Assertion updated to the verified
tiktoken total.
- combo-routing-e2e round-robin tests assumed one-request-per-target rotation,
but stickyRoundRobinLimit defaults to 3 and sticky batching has applied to
combos since v3.8.26 (#3846). Both tests now drive enough requests to observe
the batched rotation: round-robin cycles openai x3 -> claude x3 -> gemini x3;
the strategy-update test proves round-robin took over by reaching claude on
the 4th post-update request (a target priority would never select).
Test-only; no production behavior change. Verified locally: both files green.
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