jest.mock("../../Contexts/StatusContext"); jest.mock("../../Contexts/UserContext"); jest.mock("../../../services/suppliersAPI"); jest.mock("@material-ui/core/utils/unstable_useId", () => jest.fn().mockReturnValue("mui-test-id") ); import { render, waitFor } from "@testing-library/react"; import { BrowserRouter } from "react-router-dom"; import { SupplierProvider } from "../../Contexts/SupplierContext"; import { StatusProvider } from "../../Contexts/StatusContext"; import { UserProvider, setToken } from "../../Contexts/UserContext"; import { TEST_AUTH_OBJECT } from "../../../utils/testing"; import MainForm from "./index"; const renderSuppliersPage = async () => { const { container } = render( ); await waitFor(() => { /* render */ }); return container; }; describe("Suppliers page", () => { it("Render", async () => { setToken(TEST_AUTH_OBJECT); const container = await renderSuppliersPage(); expect(container).toMatchSnapshot(); }); });