it('should enter the assertion', inject(
        [ MockBackend, CellService ],
        ( backend: MockBackend, s: CellService ) => {
            const urls = [];

            backend.connections.subscribe((connection: MockConnection) => {
                const req = connection.request;
                urls.push(req.url);
                if (req.method === RequestMethod.Get && req.url === '/api/getTest') {
                    connection.mockRespond(new Response(new ResponseOptions('enter mocked content')));
                }
            });
            s.getCell('powders').subscribe(val => expect(true).toBeFalsy())
        })
    );