test_inotify: do not check 1.9 IO constants

None of our business.

1 files changed, 2 insertions, 1 deletions

diff --git a/test/test_inotify.rb b/test/test_inotify.rb
index bbda16f..3362535 100644
--- a/test/test_inotify.rb
+++ b/test/test_inotify.rb
@@ -1,6 +1,7 @@
 require 'test/unit'
 require 'fcntl'
 require 'tempfile'
+require 'set'
 $-w = true
 require 'sleepy_penguin'
 
@@ -13,7 +14,7 @@ class TestInotify < Test::Unit::TestCase
   end
 
   def test_constants
-    Inotify.constants.each do |const|
+    (Inotify.constants - IO.constants).each do |const|
       case const.to_sym
       when :Event, :Enumerator
       else