test: pin date in all accounts events test (#115)

src/app/routes/AppRoutes/AllAccounts.test.tsx

@@ -11,7 +11,7 @@ import {
 } from "@testing-library/react";
 import { http, HttpResponse } from "msw";
 import { MemoryRouter, useLocation } from "react-router";
-import { beforeEach, describe, expect, it } from "vitest";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 import type { BrokerageOperation } from "@/entities/broker-operation";
 import type { IncomeAnalytics } from "@/entities/income";
@@ -145,6 +145,7 @@ function renderPage(path: string) {
 	return client;
 }
 
+afterEach(() => vi.useRealTimers());
 beforeEach(() => {
 	server.use(
 		http.post("*/api/v1/auth/refresh", () =>
@@ -271,6 +272,8 @@ describe("All accounts routes", () => {
 	);
 
 	it("restores applied dates when switching accounts in events", async () => {
+		vi.useFakeTimers({ toFake: ["Date"] });
+		vi.setSystemTime(new Date("2026-10-15T12:00:00Z"));
 		// The events calendar blocks past dates, so pick within selectable dates.
 		const search = `?from=${defaultPeriod()[0]}&to=${defaultPeriod()[1]}`;
 		renderPage(`/accounts/all/events${search}`);