You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cityhash_test.go
    path of file: ./repos/uptrace/pkg/go-clickhouse/ch/internal/cityhash102
    
    the code of the file until where you have to start completion: package cityhash102

import (
	"bufio"
	"os"
	"strconv"
	"strings"
	"testing"
)

const (
	kSeed0 uint64 = 1234567
	kSeed1 uint64 = k0
)

type TestCase struct {
	key   string
	l
    
func buildData(t *testing.T) {
	f, err := os.Open("testdata/hashs.txt")
	if err != nil {
		t.Fatal(err)
	}
	scanner := bufio.NewScanner(f)

	var lower uint64
	var upper uint64
	for scanner.Scan() {
		strs := strings.Split(scanner.Text(), ",")

		lower, _ = strconv.ParseUint(strs[1], 16, 64)
		upper, _ = strconv.ParseUint(strs[2], 16, 64)

		testdata = append(testdata, TestCase{strs[0], lower, upper})
	}
}