reset retries after stable playback

internal/playback/state_test.go

@@ -20,8 +20,21 @@ func TestStatusPreservesValues(t *testing.T) {
 	if status.Unit != UnitVideo {
 		t.Errorf("Unit = %v, want %v", status.Unit, UnitVideo)
 	}
-	// Check the remaining fields similarly.
+
 	if !errors.Is(status.Err, wantErr) {
 		t.Errorf("Err = %v, want %v", status.Err, wantErr)
 	}
+
+	if status.State != StateReconnecting {
+		t.Errorf("State = %v, want %v", status.State, StateReconnecting)
+	}
+	if status.Attempt != 2 {
+		t.Errorf("Attempt = %d, want 2", status.Attempt)
+	}
+	if status.FailedAttempts != 1 {
+		t.Errorf("FailedAttempts = %d, want 1", status.FailedAttempts)
+	}
+	if status.RetryIn != time.Second {
+		t.Errorf("RetryIn = %s, want %s", status.RetryIn, time.Second)
+	}
 }