Disable forward_list unit_test

[ROCm/rocshmem commit: afd51b3cbb]

projects/rocshmem/tests/unit_tests/CMakeLists.txt

@@ -85,7 +85,7 @@ target_sources(
     #spin_ebo_block_mutex_gtest.cpp
     abql_block_mutex_gtest.cpp
     notifier_gtest.cpp
-    forward_list_gtest.cpp
+    #forward_list_gtest.cpp
     free_list_gtest.cpp
 )