lib/location: Fix regression of timestamp handling (ref #9180) (#9185)

lib/locations/locations_test.go

@@ -9,7 +9,9 @@
 package locations
 
 import (
+	"path/filepath"
 	"testing"
+	"time"
 
 	"golang.org/x/exp/slices"
 )
@@ -100,3 +102,11 @@ func TestUnixDataDir(t *testing.T) {
 		}
 	}
 }
+
+func TestGetTimestamped(t *testing.T) {
+	s := getTimestampedAt(PanicLog, time.Date(2023, 10, 25, 21, 47, 0, 0, time.UTC))
+	exp := "panic-20231025-214700.log"
+	if file := filepath.Base(s); file != exp {
+		t.Errorf("got %q, expected %q", file, exp)
+	}
+}