all: Handle errors opening db/creating file-set (ref #5907) (#7150)

lib/db/keyer_test.go

@@ -9,8 +9,6 @@ package db
 import (
 	"bytes"
 	"testing"
-
-	"github.com/syncthing/syncthing/lib/db/backend"
 )
 
 func TestDeviceKey(t *testing.T) {
@@ -18,7 +16,7 @@ func TestDeviceKey(t *testing.T) {
 	dev := []byte("device67890123456789012345678901")
 	name := []byte("name")
 
-	db := NewLowlevel(backend.OpenMemory())
+	db := newLowlevelMemory(t)
 	defer db.Close()
 
 	key, err := db.keyer.GenerateDeviceFileKey(nil, fld, dev, name)
@@ -50,7 +48,7 @@ func TestGlobalKey(t *testing.T) {
 	fld := []byte("folder6789012345678901234567890123456789012345678901234567890123")
 	name := []byte("name")
 
-	db := NewLowlevel(backend.OpenMemory())
+	db := newLowlevelMemory(t)
 	defer db.Close()
 
 	key, err := db.keyer.GenerateGlobalVersionKey(nil, fld, name)
@@ -67,7 +65,7 @@ func TestGlobalKey(t *testing.T) {
 func TestSequenceKey(t *testing.T) {
 	fld := []byte("folder6789012345678901234567890123456789012345678901234567890123")
 
-	db := NewLowlevel(backend.OpenMemory())
+	db := newLowlevelMemory(t)
 	defer db.Close()
 
 	const seq = 1234567890