Fetching data error

countries.js

  it("should catch error", async () => {
    // Mock API
    jest.spyOn(global, "fetch").mockImplementation(() =>
      Promise.resolve({
        json: () =>
          Promise.resolve({
            status: 500,
          }),
      })
    );

    const result = await getAllCountries();

    expect(result.status).toBe(500);
    expect(result.data).not.toBeDefined();
  });