setFavourites.test (reducer) fails

[LemonyDesign]

  test('handles removing favourites', () => {
    const action = {
      type: 'FAVOURITES_REMOVE',
    };
    const expectedState = ['vibrant corpse'];
    const outputState = setFavourites(filledState, action);
    expect(outputState).toEqual(expectedState);
  });

Functionality to remove favourite from array not reflected by test

[LemonyDesign]

  test('handles removing favourites', () => {
    const action = {
      type: 'FAVOURITES_REMOVE',
    };
    const expectedState = ['vibrant corpse'];
    const outputState = setFavourites(filledState, action);
    expect(outputState).toEqual(expectedState);
  });

↳ tests/reducers/setFavourites.test.js