Function wrapDescribeInZone

packages/zone.js/lib/jasmine/jasmine.ts:173–180

* Gets a function wrapping the body of a Jasmine `describe` block to execute in a * synchronous-only zone.

(description: string, describeBody: Function)

     * synchronous-only zone.
     */
    function wrapDescribeInZone(description: string, describeBody: Function): Function {
      return function (this: unknown) {
        // Create a synchronous-only zone in which to run `describe` blocks in order to raise an
        // error if any asynchronous operations are attempted inside of a `describe`.
        const syncZone = ambientZone.fork(new SyncTestZoneSpec(`jasmine.describe#${description}`));
        return syncZone.run(describeBody, this, arguments as any as any[]);
      };
    }

    function runInTestZone(
      testBody: Function,