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: normalization_test.go
    path of file: ./repos/cockroach/pkg/sql
    
    the code of the file until where you have to start completion: // Copyright 2021 The Cockroach Authors.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
    
func TestNFCNormalization(t *testing.T) {
	defer leaktest.AfterTest(t)()
	defer log.Scope(t).Close(t)
	s, db, _ := serverutils.StartServer(t, base.TestServerArgs{Insecure: true})
	defer s.Stopper().Stop(context.Background())
	defer db.Close()

	_, err := db.Exec("CREATE TABLE café (a INT)")
	require.NoError(t, err)

	_, err = db.Exec("CREATE TABLE Cafe\u0301 (a INT)")
	require.Errorf(t, err, "The tables should be considered duplicates when normalized")
	require.True(t, strings.Contains(err.Error(), "already exists"))

	_, err = db.Exec("CREATE TABLE cafe\u0301 (a INT)")
	require.Errorf(t, err, "The tables should be considered duplicates when normalized")
	require.True(t, strings.Contains(err.Error(), "already exists"))

	_, err = db.Exec("CREATE TABLE caf\u00E9 (a INT)")
	require.Errorf(t, err, "The tables should be considered duplicates when normalized")
	require.True(t, strings.Contains(err.Error(), "already exists"))

	_, err = db.Exec("CREATE TABLE \"caf\u00E9\" (a INT)")
	require.Errorf(t, err, "The tables should be considered duplicates when normalized")
	require.True(t, strings.Contains(err.Error(), "already exists"))

	_, err = db.Exec("CREATE TABLE \"cafe\u0301\" (a INT)")
	require.Errorf(t, err, "The tables should be considered duplicates when normalized")
	require.True(t, strings.Contains(err.Error(), "already exists"))

	_, err = db.Exec(`CREATE TABLE "Café" (a INT)`)
	require.NoError(t, err)
	//Ensure normal strings are not normalized like double quoted strings
	var b bool
	err = db.QueryRow("SELECT 'caf\u00E9' = 'cafe\u0301'").Scan(&b)
	require.NoError(t, err)
	require.False(t, b)

}