public void ObrisiDanVjezba_DoesntExistInDB()
{
_service.Setup(x => x.DanVjezbaFind(It.IsAny <int>())).Returns(null as DanVjezba);
var result = _controller.ObrisiDanVjezba(1) as PartialViewResult;
Assert.Equal("NotFound", result.ViewName);
_service.Verify(x => x.RemoveDanVjezba(It.IsAny <DanVjezba>()), Times.Never);
}