test: restore and fix tests broken by lazy-loading

tests/setup.tsx

@@ -0,0 +1,56 @@
+import "@testing-library/jest-dom/vitest";
+import React from "react";
+import { vi } from "vitest";
+
+// Mock next/navigation
+vi.mock("next/navigation", () => ({
+  usePathname: () => "/",
+  useRouter: () => ({
+    push: vi.fn(),
+    replace: vi.fn(),
+    prefetch: vi.fn(),
+    back: vi.fn(),
+  }),
+  useSearchParams: () => new URLSearchParams(),
+}));
+
+// Mock next-intl to avoid transitive next/server issues
+vi.mock("next-intl/middleware", () => ({
+  default: vi.fn(() => (req: any) => req),
+}));
+
+vi.mock("next-intl/server", () => ({
+  getRequestConfig: vi.fn(),
+}));
+
+// Mock next/server
+vi.mock("next/server", () => ({
+  NextResponse: {
+    json: vi.fn(),
+    next: vi.fn(),
+    redirect: vi.fn(),
+  },
+}));
+
+// Mock next/dynamic to be synchronous in tests
+vi.mock("next/dynamic", () => ({
+  default: vi.fn((loader) => {
+    return (props: any) => {
+      const [Component, setComponent] = React.useState<any>(null);
+      React.useEffect(() => {
+        loader().then((mod: any) => {
+          setComponent(
+            () =>
+              mod.default ||
+              mod.PortfolioSection ||
+              mod.ExpertiseSection ||
+              mod.TechnicalSpecsSection ||
+              mod.CTASection ||
+              mod,
+          );
+        });
+      }, []);
+      return Component ? <Component {...props} /> : null;
+    };
+  }),
+}));