style: 合入后修 group_test gofmt 与 err 阴影

internal/app/group/group_test.go

@@ -622,8 +622,8 @@ func (r *raceTalk) CheckTalkPasswordForJoin(ctx context.Context, actorID, target
 func TestR307CreateRejectsActorDisabledOrDeletedBeforeWrite(t *testing.T) {
 	t.Parallel()
 	cases := []struct {
-		name string
-		code string
+		name   string
+		code   string
 		mutate func(ctx context.Context, t *testing.T, idApp *identity.App, db *store.DB)
 	}{
 		{
@@ -671,8 +671,8 @@ func TestR307CreateRejectsActorDisabledOrDeletedBeforeWrite(t *testing.T) {
 			ctx := context.Background()
 			insertEP(t, db, "alice", 1)
 			insertEP(t, db, "bob", 1)
-			if err := idApp.SelfSetTalkPassword(ctx, "bob", "secret"); err != nil {
-				t.Fatal(err)
+			if setErr := idApp.SelfSetTalkPassword(ctx, "bob", "secret"); setErr != nil {
+				t.Fatal(setErr)
 			}
 			gate.mutate = func() { tc.mutate(ctx, t, idApp, db) }