public async Task Create()
        {
            EventStoreRepository sut = await GetSut();

            var foo = new SampleDomainObject("a04s4ac4-16eb-4b6b-aeea-12b2e034a408");

            foo.Add();
            await sut.SaveAsync(foo);
        }
        public async Task Update()
        {
            var id = "a04s4ac4-16eb-4b6b-aeea-12b2e034a408";
            EventStoreRepository sut = await GetSut();

            SampleDomainObject result = await sut.Get <SampleDomainObject>(id);

            result.Add();

            await sut.SaveAsync(result);
        }