Fix tests

src/App.test.tsx

@@ -1,12 +1,32 @@
 import { render, screen } from "@testing-library/react";
+import { BrowserRouter } from "react-router-dom";
 import fetchMock from "jest-fetch-mock";
 fetchMock.enableMocks();
 
+jest.mock("./synapse/authProvider", () => ({
+  __esModule: true,
+  default: {
+    logout: jest.fn().mockResolvedValue(undefined),
+  },
+}));
+
 import App from "./App";
 
 describe("App", () => {
+  beforeEach(() => {
+    // Reset all mocks before each test
+    fetchMock.resetMocks();
+    // Mock any fetch call to return empty JSON immediately
+    fetchMock.mockResponseOnce(JSON.stringify({}));
+  });
+
   it("renders", async () => {
-    render(<App />);
+    render(
+      <BrowserRouter>
+        <App />
+      </BrowserRouter>
+    );
+
     await screen.findAllByText("Welcome to Synapse Admin");
   });
 });