Function unInstrumentArr

packages/reactivity/__tests__/reactiveArray.spec.ts:112–118

(rawTarget: any[])

    }

    function unInstrumentArr(rawTarget: any[]) {
      identityMethods.forEach(key => {
        ;(rawTarget[key] as any).mockClear()
        // relink to prototype method
        rawTarget[key] = Array.prototype[key] as any
      })
    }

    function expectHaveBeenCalledTimes(rawTarget: any[], times: number) {
      identityMethods.forEach(key => {