Reusable function for putting a spy on all requests received by a Mock Service Worker server during a test

requestSpy.utils.js

/**
 * Function creating a spy on requests handled by MSW
 * @param server - MSW server instance
 * @returns {jest.Mock} - spy on requests handled by MSW
 */
export const createRequestSpy = server => {
  const requestSpy = jest.fn(); // eslint-disable-line no-undef
  server.on('request:end', requestSpy);
  return requestSpy;
};