public void ShouldBeAbleToSave()
{
var originalValue = RandomValue;
var originalVersion = Kvs.Overwrite(Key, originalValue, DefaultTransaction);
Assert.AreEqual(Kvs.Read(Key), originalValue);
var newValue = RandomValue;
var newVersion = Kvs.Update(Key, newValue, originalVersion, DefaultTransaction);
Assert.AreEqual(Kvs.Read(Key, out ulong version), newValue);
Assert.AreEqual(version, newVersion);
}