public When_OpportunityService_Is_Called_To_Get_Company_Name_With_Aka_And_Employer_Is_Null() { var config = new MapperConfiguration(c => c.AddMaps(typeof(OpportunityMapper).Assembly)); var mapper = new Mapper(config); _opportunityRepository = Substitute.For <IOpportunityRepository>(); var opportunityItemRepository = Substitute.For <IRepository <OpportunityItem> >(); var provisionGapRepository = Substitute.For <IRepository <ProvisionGap> >(); var referralRepository = Substitute.For <IRepository <Domain.Models.Referral> >(); var googleMapApiClient = Substitute.For <IGoogleMapApiClient>(); var opportunityPipelineReportWriter = Substitute.For <IFileWriter <OpportunityReportDto> >(); var dateTimeProvider = Substitute.For <IDateTimeProvider>(); var opportunity = new Domain.Models.Opportunity { Id = 1, Employer = null }; _opportunityRepository.GetSingleOrDefaultAsync(Arg.Any <Expression <Func <Domain.Models.Opportunity, bool> > >(), Arg.Any <Expression <Func <Domain.Models.Opportunity, object> > >()) .Returns(opportunity); var opportunityService = new OpportunityService(mapper, _opportunityRepository, opportunityItemRepository, provisionGapRepository, referralRepository, googleMapApiClient, opportunityPipelineReportWriter, dateTimeProvider); _result = opportunityService.GetCompanyNameWithAkaAsync(1).GetAwaiter().GetResult(); }