Unit Test for Selector not working in Angular

Question

I am trying to write the unit test cases for the below selector:

describe("selectRebookServicesResolved ", () => {
  const response = {
    initialSiteState,
    State: DATA_STATE.INITIAL
  }
  it("should return null", () => {
    const {
      initialSiteState,
      State
    } = response;
    const {
      services
    } = initialSiteState;
    const result = fromServices.selectRebookServicesResolved.projector(services);
    expect(result).toBeNull();
  });
  it("should return state", () => {
    const {
      services
    } = initialSiteState;
    const getServices = Object.assign({ ...services
    }, {
      state: DATA_STATE.RESOLVED
    })
    const result = fromServices.selectRebookServicesResolved.projector(getServices);
    expect(result).toBe(getServices.data.services);
  });
});

And when I run the code coverage it shows that statement is not covered I searched a lot of solutions and tried it's still the same

Pink color defines the code or statement is not covered I know lot of mistakes in the code but i am trying to to write the unit test cases