var window_btoa; describe('basicAuth with btoa polyfill', function () { beforeAll(function() { window_btoa = window.btoa; window.btoa = undefined; }); afterAll(function() { window.btoa = window_btoa; window_btoa = undefined; }); it('should not have native window.btoa', function () { expect(window.btoa).toEqual(undefined); }); setupBasicAuthTest(); });