test: Use testing.T.Cleanup to remove tempdirs

internal/backend/local/layout_test.go

@@ -10,8 +10,7 @@ import (
 )
 
 func TestLayout(t *testing.T) {
-	path, cleanup := rtest.TempDir(t)
-	defer cleanup()
+	path := rtest.TempDir(t)
 
 	var tests = []struct {
 		filename        string

internal/backend/local/local_internal_test.go

@@ -24,8 +24,7 @@ func TestNoSpacePermanent(t *testing.T) {
 		return nil, fmt.Errorf("not creating tempfile, %w", syscall.ENOSPC)
 	}
 
-	dir, cleanup := rtest.TempDir(t)
-	defer cleanup()
+	dir := rtest.TempDir(t)
 
 	be, err := Open(context.Background(), Config{Path: dir, Connections: 2})
 	rtest.OK(t, err)

internal/backend/local/local_test.go

@@ -120,8 +120,7 @@ func removeAll(t testing.TB, dir string) {
 }
 
 func TestOpenNotExistingDirectory(t *testing.T) {
-	dir, cleanup := rtest.TempDir(t)
-	defer cleanup()
+	dir := rtest.TempDir(t)
 
 	// local.Open must not create any files dirs in the repo
 	openclose(t, filepath.Join(dir, "repo"))