packages/csr's actions.test.ts and reactive.test.ts both leave
globalThis.fetch mutated across bun test files (reactive.test.ts's
'cache invalidation refetches...' test replaces it and never restores
it). Since bun test runs files sequentially rather than importing all
of them up front, a module-level capture of fetch in this file would
already observe csr's leftover mock (csr sorts before rpc).
Route the real-socket assertion through a small node:http-backed fetch
implementation instead of relying on globalThis.fetch at all, keeping
the test's actual target - httpTransport()'s default resolveOrigin -
unaffected by any other suite's global mutation.
Clintchiz
98205daef6