Try disabling the ThreadGroup#list spec as it seems unstable on Travis

eregon · eregon · commit b218963157e9 · 2015-02-18T21:54:01.000+01:00
diff --git a/spec/tags/ruby/core/threadgroup/list_tags.txt b/spec/tags/ruby/core/threadgroup/list_tags.txt
@@ -0,0 +1 @@
+unstable:ThreadGroup#list returns the list of threads in the group

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+unstable:ThreadGroup#list returns the list of threads in the group`