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/** * Test timeout. */export const TEST_TIMEOUT = 3000;
/** * A no-op _describe_ method. *  * @param name  * @param fn  */export async function describe(_name: string, fn: () => void | Promise<void>) {  fn();}
/** * An _it_ wrapper around `Deno.test`. *  * @param name  * @param fn  */export async function it(  name: string,  fn: (done?: any) => void | Promise<void>,) {  Deno.test(name, async () => {    let done: any = (err?: any) => {      if (err) throw err;    };    let race: Promise<unknown> = Promise.resolve();
    if (fn.length === 1) {      let resolve: () => void;      const donePromise = new Promise((r) => {        resolve = r;      });
      let timeoutId: number;
      race = Promise.race([        new Promise((_, reject) =>          timeoutId = setTimeout(() => {            reject(              new Error(                `test "${name}" failed to complete by calling "done" within ${TEST_TIMEOUT}ms.`,              ),            );          }, TEST_TIMEOUT)        ),        donePromise,      ]);
      done = (err?: any) => {        clearTimeout(timeoutId);        resolve();        if (err) throw err;      };    }
    await fn(done);    await race;  });}