/// <summary>
/// UpdateItem.
/// </summary>
/// <param name="id">Id of the item.</param>
/// <param name="testData">Test Data.</param>
protected void UpdateItem(string id, string testData)
{
var item = new TestRoot(id);
// Generating virtual load of events..
var history = Store.GetAsync(id, 0).Result;
item.LoadFromHistory(history);
item.Update(new TestUpdateCommand
{
AggregateRootId = id,
TestData = testData
});
Store.SaveAsync(item).Wait();
}