test: await portfolio publication done instead of polling ticks (WealthLedger/backend#63)

src/modules/investments/portfolio/application/portfolio.service.spec.ts

@@ -1,4 +1,4 @@
-import { setImmediate as immediate } from 'node:timers/promises';
+import assert from 'node:assert/strict';
 jest.mock('../../../../prisma/prisma.service', () => ({
   PrismaService: class {},
 }));
@@ -97,14 +97,9 @@ describe('persistent portfolio projection', () => {
       ],
       work: [],
     });
-    await service.request('user', 'private', 'a');
-    for (
-      let index = 0;
-      index < 10 && !repository.publish.mock.calls.length;
-      index += 1
-    ) {
-      await immediate();
-    }
+    const handle = await service.request('user', 'private', 'a');
+    assert(handle);
+    await handle.done;
     const snapshot = (
       repository.publish.mock.calls as [unknown, string, PortfolioDto][]
     )[0][2];
@@ -147,10 +142,9 @@ describe('persistent portfolio projection', () => {
       { units: '99' },
       { currency: 'EUR', units: '1' },
     ] });
-    await service.request('user', 'private', 'a');
-    for (let index = 0; index < 10 && !repository.publish.mock.calls.length; index++) {
-      await immediate();
-    }
+    const handle = await service.request('user', 'private', 'a');
+    assert(handle);
+    await handle.done;
     const snapshot = (repository.publish.mock.calls as [unknown, string, PortfolioDto][])[0][2];
     expect(snapshot.cashBalances).toEqual([
       { currency: 'RUB', value: '0' },