File request-user-agent.test.ts

packages/plugins/openapi/src/sdk/request-user-agent.test.ts:None–None

import { expect, it } from "@effect/vitest";
import { Effect, Option } from "effect";
import { FetchHttpClient } from "effect/unstable/http";
import { createServer, type IncomingHttpHeaders, type Server } from "node:http";