Index: unittests/tst_acknow.cpp
===================================================================
diff -u -r634824d6fce314971aa236e508024bd154562c9d -rd364178ab42a711fa1e0a41f05c61aa4b4489de0
--- unittests/tst_acknow.cpp	(.../tst_acknow.cpp)	(revision 634824d6fce314971aa236e508024bd154562c9d)
+++ unittests/tst_acknow.cpp	(.../tst_acknow.cpp)	(revision d364178ab42a711fa1e0a41f05c61aa4b4489de0)
@@ -127,6 +127,25 @@
 }
 
 /*!
+ * \brief   tst_acknow::tst_AcknowModel_Receive_Normal
+ * \details UI receives a message which doesn't require Acknow
+ */
+void tst_acknow::tst_AcknowModel_onAcknowReceive_Correct()
+{
+    QCOMPARE( _MessageAcknowModel._acknowList.count(), 1 );
+    _action = Gui::GuiActionType::KeepAlive;
+    _data   = {0};
+    QCanBusFrame mFrame;
+    QString      mPayload;
+    mFrame.setFrameId(Can_Id::eChlid_HD_UI);
+    mPayload = "A5.03.00.FF.FF.01.00.91";
+    mFrame.setPayload(QByteArray::fromHex(mPayload.remove(QLatin1Char('.')).toLatin1()));
+    qDebug() << "#" << mFrame.toString();
+    emit _CanInterface.didFrameReceive(mFrame);
+    QCOMPARE( _MessageAcknowModel._acknowList.count(), 0 );
+}
+
+/*!
  * \brief   tst_acknow::tst_AcknowModel_onAcknowReceive_Incorrect
  * \details Tries to remove a seq from acknow model which we don't expect
  * (there was no message send with this seq which required qcknow)