score:0

you can add beforeeach to your test something like that:

 beforeeach(() => {
    object.defineproperty(window, "pca", {
      value: {
        addresses: { load: jest.fn(() => null) }    
      },
      writable: true
    });
  });

you can test if it has been fired like this:

expect(window.pca.addresses.load).tohavebeencalledtimes(1);

Related Query

More Query from same tag