LibTeleinfo always skips the first frame

test/e2e/data.go

@@ -27,6 +27,10 @@ var testCases []TestCase = []TestCase{
 		Name: "historique_simple",
 		Mode: TIC_MODE_HISTORIQUE,
 		Steps: []TestStep{
+			{
+				// LibTeleinfo explicitely discards the first frame
+				Sent: []string{},
+			},
 			{
 				Sent: []string{
 					"MOTDETAT 000000 B",