Function wrappedMutation

packages/offline-transactions/tests/harness.ts:220–228

(
    params: OfflineMutationFnParams,
  )

  const leader = new FakeLeaderElection()

  const wrappedMutation = async (
    params: OfflineMutationFnParams,
  ): Promise<any> => {
    const currentAttempt = (attemptCounter.get(params.idempotencyKey) ?? 0) + 1
    attemptCounter.set(params.idempotencyKey, currentAttempt)
    const extendedParams = { ...params, attempt: currentAttempt }
    mutationCalls.push(extendedParams)
    return mutationFn(extendedParams)
  }

  const config: OfflineConfig = {
    ...options.config,