fix(tests): corrigindo os testes do frontend

Author: Benevanio

frontend/tests/unit/pages/App.test.tsx

@@ -1,4 +1,5 @@
-import { render, screen } from "@testing-library/react";
+import { act, render, screen } from "@testing-library/react";
+import { MemoryRouter } from "react-router-dom";
 import { describe, expect, it, vi } from "vitest";
 
 vi.mock("@/hooks/useTheme", () => ({
@@ -47,7 +48,22 @@ import App from "@/App";
 
 describe("App", () => {
   it("renderiza painel principal", () => {
-    render(<App />);
-    expect(screen.getByAltText("Painel de Vagas")).toBeInTheDocument();
+    vi.useFakeTimers();
+
+    try {
+      render(
+        <MemoryRouter initialEntries={["/"]}>
+          <App />
+        </MemoryRouter>
+      );
+
+      act(() => {
+        vi.advanceTimersByTime(2000);
+      });
+
+      expect(screen.getAllByAltText("Painel de Vagas").length).toBeGreaterThan(0);
+    } finally {
+      vi.useRealTimers();
+    }
   });
 });

frontend/vitest.setup.ts

@@ -14,4 +14,32 @@ if (!window.matchMedia) {
       dispatchEvent: () => false,
     }),
   });
+}
+
+if (!window.IntersectionObserver) {
+  class MockIntersectionObserver implements IntersectionObserver {
+    scrollMargin: string | undefined;
+    readonly root: Element | Document | null = null;
+    readonly rootMargin = "0px";
+    readonly thresholds: ReadonlyArray<number> = [0];
+
+    disconnect(): void {}
+    observe(): void {}
+    unobserve(): void {}
+    takeRecords(): IntersectionObserverEntry[] {
+      return [];
+    }
+  }
+
+  Object.defineProperty(window, "IntersectionObserver", {
+    writable: true,
+    configurable: true,
+    value: MockIntersectionObserver,
+  });
+
+  Object.defineProperty(globalThis, "IntersectionObserver", {
+    writable: true,
+    configurable: true,
+    value: MockIntersectionObserver,
+  });
 }