(CMake) Add a new CMake option to enable the new Unit Tests

unitTests/mainTestRunner.cpp

@@ -0,0 +1,14 @@
+#include <gtest/gtest.h>
+
+#include <iostream>
+
+int main(int argc, char** argv)
+{
+    ::testing::InitGoogleTest(&argc, argv);
+
+    int ret = RUN_ALL_TESTS();
+
+    std::cout << "Tests finished with return value: " << ret << std::endl;
+
+    return EXIT_SUCCESS;
+}