SWDEV-448163 - Fix Doxygen warnings

Change-Id: If72e312461a72920b6a482009c9aef4cf92f2e1b


[ROCm/hip-tests commit: 6c23e25c86]

projects/hip-tests/catch/unit/graph/hipGraphAddNodeBeginCapture.cc

@@ -949,3 +949,8 @@ TEST_CASE("Unit_hipStreamEndCapture_later_and_addEmptyNode") {
   HIP_CHECK(hipStreamDestroy(stream));
 }
 
+
+/**
+* End doxygen group GraphTest.
+* @}
+*/