public async Task GetDecisionTargetListAsyncTest() { _decisionService = CreateDecisionService(); List <DecisionTargetDTO> decisionTargets = GetTestDecisionTargetsDtoList(); _repository.Setup(rep => rep.DecesionTarget.GetAllAsync(It.IsAny <Expression <Func <DecesionTarget, bool> > >(), It.IsAny <Func <IQueryable <DecesionTarget>, IIncludableQueryable <DecesionTarget, object> > >())).ReturnsAsync(new List <DecesionTarget>()); var actualReturn = await _decisionService.GetDecisionTargetListAsync(); Assert.Equal(decisionTargets.Aggregate("", (x, y) => x += y.TargetName), actualReturn.Aggregate("", (x, y) => x += y.TargetName)); }