Exclude unreliable MRI test

chrisseaton · chrisseaton · commit 7554e94721bb · 2019-03-10T04:04:33.000Z
diff --git a/test/mri/failing.exclude b/test/mri/failing.exclude
@@ -51,6 +51,7 @@ monitor/test_monitor.rb # hangs
 csv/write/test_general.rb # encoding
 ruby/test_parse.rb # encoding
 rubygems/test_gem_security.rb # hangs
+io/wait/test_io_wait_uncommon.rb # unreliable in parallel
 
 # Other issues
 
