public void GivenPerson_WhenEmployed_ThenIsEmployeeEqualsTrue() { var salesRep = new PersonBuilder(this.Session).WithLastName("salesRep").Build(); var employment = new EmploymentBuilder(this.Session) .WithEmployee(salesRep) .WithFromDate(DateTime.UtcNow) .Build(); this.Session.Derive(); Assert.True(salesRep.AppsIsActiveEmployee(DateTime.UtcNow)); }