pkg/index/sqlite: fix tests

Long broken since the sha224 switch.

Updates #1085

Change-Id: I2dda3dac6bd3c8006be0974bdc9be402e25b7429

pkg/index/sqlite/sqlite_test.go

@@ -28,7 +28,7 @@ import (
 	"sync"
 	"testing"
 
-	"go4.org/jsonconfig"
+	"perkeep.org/internal/testhooks"
 	"perkeep.org/pkg/index"
 	"perkeep.org/pkg/index/indextest"
 	"perkeep.org/pkg/sorted"
@@ -36,6 +36,7 @@ import (
 	_ "perkeep.org/pkg/sorted/sqlite"
 
 	_ "github.com/mattn/go-sqlite3"
+	"go4.org/jsonconfig"
 )
 
 var (
@@ -43,6 +44,10 @@ var (
 	dbAvailable bool
 )
 
+func init() {
+	testhooks.SetUseSHA1(true)
+}
+
 func do(db *sql.DB, sql string) {
 	_, err := db.Exec(sql)
 	if err == nil {