Fix for repeating in some instances, e.g. pidgin.

internal/app/notification_test.go

@@ -21,6 +21,14 @@ func TestNotificationProvidersAndHistoryMatchReferenceBehavior(t *testing.T) {
 		expectedSpeech  []string
 		expectedHistory string
 	}{
+		{
+			name: "MATE notification daemon labels",
+			event: notificationSnapshot("mate-notification-daemon", atspi.WindowCreateEvent, atspi.NewSnapshot(
+				"/notification", "", "frame", "", "Mail arrived New message",
+			)),
+			expectedSpeech:  []string{"Notification Mail arrived New message"},
+			expectedHistory: "Notification Mail arrived New message",
+		},
 		{
 			name: "xfce notification daemon labels",
 			event: notificationSnapshot("xfce4-notifyd", atspi.WindowCreateEvent, atspi.NewSnapshot(