Jet: Mock object methods

const spy = jest.spyOn(console, 'log').mockImplementation(() => {})
expect(console.log.mock.calls).toEqual([['dope'], ['nope']])
spy.mockRestore()
const spy = jest.spyOn(ajax, 'request').mockImplementation(() => Promise.resolve({ success: true }))
expect(spy).toHaveBeenCalled()
spy.mockRestore()

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