const ORIGINALS = { log: global.console.log, error: global.console.error, }; type METHODS = 'log' | 'error'; export const mockConsole = (method: METHODS): jest.Mock => { const handler = jest.fn(); global.console[method] = handler; return handler; }; export const unMockConsole = (method: METHODS): void => { global.console[method] = ORIGINALS[method]; };