test(tanstackstart): Fix matching for server-side error event - #23852
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…ent on Cloudflare The server-function error test flaked: it asserts the mechanism is `auto.middleware.tanstackstart.server_function` but occasionally received `auto.browser.global_handlers.onunhandledrejection`. The thrown error propagates back to the client over the server-function RPC and is captured a second time there with the same message. The `waitForError` predicate matched on message only, so it raced the two events and sometimes resolved with the client-side duplicate. Match the server mechanism as well so the correct event is always selected. The API-route test carries the identical latent race, so harden that predicate too. This mirrors the fix already applied to the tanstackstart-react app in #22137. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
chargome
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September 1, 2026 14:40
chargome
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andreiborza
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Sep 1, 2026
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Fixes a test to assert for server only errors.