diff --git a/bench_test.go b/bench_test.go
index e1e9903..ce1ec09 100644
--- a/bench_test.go
+++ b/bench_test.go
@@ -93,7 +93,7 @@ func BenchmarkOneByID(b *testing.B) {
 	defer cleanup()
 
 	type User struct {
-		ID          int
+		ID          int    `storm:"increment"`
 		Name        string `storm:"index"`
 		age         int
 		DateOfBirth time.Time `storm:"index"`
diff --git a/store_test.go b/store_test.go
index f850ef2..784f394 100644
--- a/store_test.go
+++ b/store_test.go
@@ -9,8 +9,8 @@ import (
 	"github.com/asdine/storm/codec/gob"
 	"github.com/asdine/storm/codec/json"
 	"github.com/asdine/storm/q"
-	bolt "go.etcd.io/bbolt"
 	"github.com/stretchr/testify/require"
+	bolt "go.etcd.io/bbolt"
 )
 
 func TestInit(t *testing.T) {
@@ -423,11 +423,11 @@ func TestSaveWithBatch(t *testing.T) {
 
 	for i := 0; i < 5; i++ {
 		wg.Add(1)
-		go func() {
+		go func(i int) {
 			defer wg.Done()
 			err := db.Save(&User{ID: i + 1, Name: "John"})
 			require.NoError(t, err)
-		}()
+		}(i)
 	}
 
 	wg.Wait()
diff --git a/structs_test.go b/structs_test.go
index b229004..a44cfe5 100644
--- a/structs_test.go
+++ b/structs_test.go
@@ -62,7 +62,7 @@ type ClassicInline struct {
 }
 
 type User struct {
-	ID              int       `storm:"id"`
+	ID              int       `storm:"id,increment"`
 	Name            string    `storm:"index"`
 	Age             int       `storm:"index,increment"`
 	DateOfBirth     time.Time `storm:"index"`