public void AddUserTest()
{
var service = new Service1();
var UsersCountPre = service.SelectUsers().Count;
Users Users = new Users
{
Login = "******",
Password = "******",
FIO = "TestCompetition",
Phone = "8985395839",
Email = "asdjpas",
Admin = false
};
service.AddUsers(Users);
var UsersCountPost = service.SelectUsers().Count;
Assert.AreEqual(UsersCountPre + 1, UsersCountPost);
}