public void TestDeleteBacklogForUser()
{
var repo = new UserRepo(TestRootDir, UsersTestJson, g => 3);
var user = new User {
Id = 0, PasswordHash = "x", Username = "******", UserRole = UserRole.Guest
};
var status = repo.AddUser(user);
status.Should().BeOfType <Success>();
const string backlogId = "newrepoid";
var addStatus = repo.AddUserBacklogId(3, backlogId);
addStatus.Should().BeOfType <Success>();
var(getStatus, backlogIds) = repo.GetUserBacklogIds(3);
getStatus.Should().BeOfType <Success>();
backlogIds.Contains(backlogId).Should().BeTrue();
var deleteStatus = repo.DeleteUserBacklogId(3, backlogId);
deleteStatus.Should().BeOfType <Success>();
(getStatus, backlogIds) = repo.GetUserBacklogIds(3);
getStatus.Should().BeOfType <Success>();
backlogIds.Contains(backlogId).Should().BeFalse();
}