diff --git a/rfctime/rfc3339Nano_test.go b/rfctime/rfc3339Nano_test.go
index a2cb03e..08323c9 100644
--- a/rfctime/rfc3339Nano_test.go
+++ b/rfctime/rfc3339Nano_test.go
@@ -2,10 +2,11 @@ package rfctime
 
 import (
 	"encoding/json"
-	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
-	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
 	"testing"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
 )
 
 func TestRoundtrip(t *testing.T) {
@@ -23,8 +24,8 @@ func TestRoundtrip(t *testing.T) {
 	}
 
 	if string(jstr1) != "{\"v\":\"2023-02-09T15:05:56.820915171+01:00\"}" {
-		t.Errorf(string(jstr1))
-		t.Errorf("repr differs")
+		t.Error(string(jstr1))
+		t.Error("repr differs")
 	}
 
 	w2 := Wrap{}