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); }