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

lib/db/blockmap_test.go

@@ -10,7 +10,6 @@ import (
 	"encoding/binary"
 	"testing"
 
-	"github.com/syncthing/syncthing/lib/db/backend"
 	"github.com/syncthing/syncthing/lib/protocol"
 )
 
@@ -36,10 +35,9 @@ func init() {
 	}
 }
 
-func setup() (*Lowlevel, *BlockFinder) {
-	// Setup
-
-	db := NewLowlevel(backend.OpenMemory())
+func setup(t testing.TB) (*Lowlevel, *BlockFinder) {
+	t.Helper()
+	db := newLowlevelMemory(t)
 	return db, NewBlockFinder(db)
 }
 
@@ -105,7 +103,7 @@ func discardFromBlockMap(db *Lowlevel, folder []byte, fs []protocol.FileInfo) er
 }
 
 func TestBlockMapAddUpdateWipe(t *testing.T) {
-	db, f := setup()
+	db, f := setup(t)
 	defer db.Close()
 
 	if !dbEmpty(db) {
@@ -193,7 +191,7 @@ func TestBlockMapAddUpdateWipe(t *testing.T) {
 }
 
 func TestBlockFinderLookup(t *testing.T) {
-	db, f := setup()
+	db, f := setup(t)
 	defer db.Close()
 
 	folder1 := []byte("folder1")