This corrects some interesting choices that were present in the HIP

unit tests such as e.g. de-allocating memory allocated with new[] using
free. All of these were identified via cppcheck.

hipamd/tests/src/stress/hipStressKernel.cpp

@@ -57,5 +57,8 @@ int main(){
 		}
         std::cout<<std::endl;
 		hipDeviceSynchronize();
+
+		free(A);
+		hipFree(Ad);
 	}
 }