Improve MockCommandQueueHw

Change-Id: I6e33cd48590abd75e768a77a1811f2b374e22bca
Signed-off-by: Dunajski, Bartosz <[email protected]>

Author: BartoszDunajski

unit_tests/mocks/mock_command_queue.h

@@ -71,6 +71,7 @@ class MockCommandQueueHw : public CommandQueueHw<GfxFamily> {
 
   public:
     using BaseClass::commandStream;
+    using BaseClass::engine;
     using BaseClass::obtainNewTimestampPacketNodes;
     using BaseClass::timestampPacketContainer;