CEC-2545 Fix/can signals context (#210)

src/components/Cars/Status/CANSignalsTab.test.jsx

@@ -0,0 +1,39 @@
+import addSnapshotSerializer from "../../../utils/snapshot";
+
+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 { render, waitFor } from "@testing-library/react";
+import { BrowserRouter } from "react-router-dom";
+import CANSignalsTab from "./CANSignalsTab";
+import {setToken} from "../../Contexts/UserContext";
+import {TEST_AUTH_OBJECT} from "../../../utils/testing";
+
+const renderCANSignalsTab = async () => {
+  const { container } = render(
+    <BrowserRouter>
+      <CANSignalsTab vin="TESTVIN1234567890" token="token"/>
+    </BrowserRouter>
+  );
+  await waitFor(() => {
+    /* render */
+  });
+  return container;
+};
+
+describe("CANSignalsTab", () => {
+  beforeAll(() => {
+    addSnapshotSerializer(expect);
+  });
+
+  it("Render", async () => {
+    setToken(TEST_AUTH_OBJECT);
+    const container = await renderCANSignalsTab();
+    expect(container).toMatchSnapshot();
+  });
+});
+