Make fuse tests fail on emergency ro or iter leak

[bcachefs-tools-debian] / tests / valgrind-suppressions.txt

{
   <insert_a_suppression_name_here>
   Memcheck:Leak
   match-leak-kinds: possible,definite
   ...
   fun:get_default_call_rcu_data_memb
   fun:call_rcu_memb
}