jest.mock("../../Contexts/VehicleContext"); jest.mock("../../Contexts/StatusContext"); jest.mock("../../Contexts/UserContext"); jest.mock("@material-ui/core/utils/unstable_useId", () => jest.fn().mockReturnValue("mui-test-id") ); import React from "react"; import {render, waitFor} from "@testing-library/react"; import { BrowserRouter } from "react-router-dom"; import {StatusProvider} from "../../Contexts/StatusContext"; import {VehicleProvider} from "../../Contexts/VehicleContext"; import {setToken, UserProvider} from "../../Contexts/UserContext"; import {TEST_AUTH_OBJECT} from "../../../utils/testing"; import addSnapshotSerializer from "../../../utils/snapshot"; import FleetsTab from "./FleetsTab"; const renderFleetsTab = async () => { const {container} = render( ); await waitFor(() => { /* render */ }); return container; }; describe("FleetsTab", () => { beforeAll(() => { addSnapshotSerializer(expect); }); it("Render", async () => { setToken(TEST_AUTH_OBJECT); const container = await renderFleetsTab(); expect(container).toMatchSnapshot(); }); });