correct and complete unit tests in Front-End

tests/unit/setup.ts

@@ -2,8 +2,19 @@ import "./specs/mocks/matchMedia";
 import { config } from "@vue/test-utils";
 import { createHead } from "@unhead/vue";
 import { i18n } from "@/utils/i18n";
+import { afterEach, beforeEach, vi } from "vitest";
 
 const head = createHead();
 
 config.global.plugins.push(head);
 config.global.plugins.push(i18n);
+
+beforeEach(() => {
+  const mokeDate = new Date(2022, 1, 2, 3, 4);
+  vi.useFakeTimers();
+  vi.setSystemTime(mokeDate);
+});
+
+afterEach(() => {
+  vi.useRealTimers();
+});