SWDEV-448163 - Fix Doxygen warnings

Change-Id: If72e312461a72920b6a482009c9aef4cf92f2e1b


[ROCm/hip-tests commit: 6c23e25c86]

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

@@ -86,4 +86,9 @@ TEST_CASE("Unit_hipGraphMemcpyNodeGetParams_Negative_Parameters") {
     HIP_CHECK_ERROR(hipGraphMemcpyNodeGetParams(node, &params), hipErrorInvalidValue);
   }
 #endif
-}
+}
+
+/**
+* End doxygen group GraphTest.
+* @}
+*/