test: pin mid-month date in upcoming events filter test (WealthLedger/frontend#101)

src/pages/account-events/ui/AccountEventsPage/AccountEventsPage.filters.test.tsx

@@ -17,7 +17,7 @@ import {
 	useLocation,
 	useNavigate,
 } from "react-router";
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 import { configureAuthClient } from "@/shared/api";
 import { defaultPeriod, formatDate, moscowDate } from "@/shared/lib";
@@ -72,6 +72,9 @@ function renderEvents(accountId: string, searches: string[]) {
 }
 
 describe("Upcoming event date filters", () => {
+	afterEach(() => {
+		vi.useRealTimers();
+	});
 	beforeEach(() => {
 		configureAuthClient({
 			accessToken: () => "token",
@@ -229,6 +232,10 @@ describe("Upcoming event date filters", () => {
 	it.each(["account-1", "all"])(
 		"applies dates only on submit, restores URL dates, and resets from empty results for %s",
 		async (accountId) => {
+			// Pin "today" mid-month so "today + 10 days" stays in the calendar's
+			// visible month regardless of the real date.
+			vi.useFakeTimers({ toFake: ["Date"] });
+			vi.setSystemTime(new Date("2026-10-15T12:00:00+03:00"));
 			const [defaultFrom, defaultTo] = defaultPeriod();
 			const searches: string[] = [];
 			server.use(