public void ShouldCreateLookupAsync() { // Arrange ISystemApi systemApi = CreateSystemApi(); LookupRequest lookup = CreateLookup(); lookup.Id = null; // Act LookupResponse created = systemApi.CreateLookupsAsync(new SqlQuery(), lookup).Result.First(); // Assert created.Id.ShouldBe(1); Should.Throw <ArgumentException>(() => systemApi.CreateLookupsAsync(new SqlQuery())); }