public void SaveByRoleId_Ok() { var roleId = RoleHelper.Retrieves().FirstOrDefault(g => g.RoleName == "Administrators").Id; var id = UserHelper.Retrieves().FirstOrDefault(u => u.UserName == "Admin").Id; Assert.True(UserHelper.SaveByRoleId(roleId, new string[] { id })); var users = UserHelper.RetrievesByRoleId(roleId); Assert.NotEmpty(users.Where(u => u.Checked == "checked")); }