public async Task VisitorRepository_UpdateVisitor_NotFail_Test()
{
var context = new MyCompanyContext();
var visitor = context.Visitors.FirstOrDefault();
var target = new VisitorRepository(context);
visitor.Company = Guid.NewGuid().ToString();
await target.UpdateAsync(visitor);
var actual = await target.GetAsync(visitor.VisitorId);
Assert.AreEqual(visitor.Company, actual.Company);
}
