Ignore slow quorum hb transfers in tests

We're getting test failures from messages that our guests can be
unresponsive.  They sure can be.  We don't need to fail for this one
specific case.

Signed-off-by: Zach Brown <zab@versity.com>

tests/funcs/filter.sh

@@ -166,6 +166,9 @@ t_filter_dmesg()
 	# perf warning that it adjusted sample rate
 	re="$re|perf: interrupt took too long.*lowering kernel.perf_event_max_sample_rate.*"
 
+	# some ci test guests are unresponsive
+	re="$re|longest quorum heartbeat .* delay"
+
 	egrep -v "($re)" | \
 		ignore_harmless_unwind_kasan_stack_oob
 }