Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/DDS/DdsUnitTests/data_topic_tests_main.h

@@ -0,0 +1,38 @@
+
+
+#pragma once
+
+#include <QObject>
+#include <QSignalSpy>
+#include <DdsUnitTests/ddsut_dtc_types.h>
+
+namespace NGL
+{
+  class INGLLogger;
+}
+
+class DataTopicTests;
+
+
+class DataTopicTestsMain : public QObject
+{
+  Q_OBJECT
+
+public:
+  DataTopicTestsMain();
+
+private Q_SLOTS:
+  void initTestCase();
+  void publishTestCase();
+  void subscribeTestCase();
+  void deleteDataReaderTestCase();
+  void cleanupTestCase();
+
+protected:
+
+private:  
+  DdsUnitTests::TestParticipant  m_sentParticipantData;
+  QSignalSpy                    *m_participantDataArrivedSpy = nullptr;
+  DataTopicTests                *m_dtTest = nullptr;
+  NGL::INGLLogger               &m_logger;
+};