File concurrency.test.ts

packages/effect/test/Effect/concurrency.test.ts:None–None

import { describe, it } from "@effect/vitest"
import { assertFalse, assertLeft, assertRight, assertTrue, deepStrictEqual, strictEqual } from "@effect/vitest/utils"
import * as Deferred from "effect/Deferred"
import * as Duration from "effect/Duration"