public async Task GetKundenTest()
        {
            KundeAllDto result = _target.GetAll(new Empty());
            RepeatedField <KundeDto> kundeDtos = result.Clients;

            Assert.Equal(4, kundeDtos.Count);
        }
        public async Task GetKundenTest()
        {
            // arrange
            KundenDto kunden = _target.GetAll(new Empty());
            RepeatedField <KundeDto> kundenDtos = kunden.Customers;

            // act
            // assert
            Assert.Equal(4, kundenDtos.Count);
            CompareKundenDtos(kundenDtos[0], 1, "Nass", "Anna", Timestamp.FromDateTime(new DateTime(1981, 05, 05, 0, 0, 0, DateTimeKind.Utc)));
            CompareKundenDtos(kundenDtos[1], 2, "Beil", "Timo", Timestamp.FromDateTime(new DateTime(1980, 09, 09, 0, 0, 0, DateTimeKind.Utc)));
            CompareKundenDtos(kundenDtos[2], 3, "Pfahl", "Martha", Timestamp.FromDateTime(new DateTime(1990, 07, 03, 0, 0, 0, DateTimeKind.Utc)));
            CompareKundenDtos(kundenDtos[3], 4, "Zufall", "Rainer", Timestamp.FromDateTime(new DateTime(1954, 11, 11, 0, 0, 0, DateTimeKind.Utc)));
        }