}
		} else {
			if err != nil {
				t.Fatalf("findUserId(%s): got unexpected error %v", tt.name, err)
			}
			if got.Uid != tt.uid {
				t.Errorf("findUserId(%s): got uid %v, want %s", tt.name, got.Uid, tt.uid)
			}
			if got.Username != tt.name {
				t.Errorf("findUserId(%s): got name %s, want %s", tt.name, got.Username, tt.name)
			}
		}
	}
}

		// say: "It is expected to be a comma separated list of
		// personal data where the first item is the full name of the
		// user."
		u.Name, _, _ = strings.Cut(u.Name, ",")
		return u, nil
	}
}

func findUserId(uid string, r io.Reader) (*User, error) {
	i, e := strconv.Atoi(uid)
	if e != nil {
		return nil, errors.New("user: invalid userid " + uid)
	}