Mocked Axios Method Using Jest

axios_mock.test.js

axios.get = jest.fn((path, options) => {
  expect(path).toEqual('/api/v1/user');
  expect(options.username).toEqual(USERNAME);
  expect(options.password).toEqual(PASSWORD);
  let response = {
    // 'data' is the response that was provided by the server
    data: TOKEN,
    // 'status' is the HTTP status code from the server response
    status: 200,
    // 'statusText' is the HTTP status message from the server response
    statusText: 'OK'
  };
  return Promise.resolve(response);
});