test_dir.rb: test Dir.entries

* test/ruby/test_dir.rb (test_entries): test class singleton
  method Dir.entries too.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_dir.rb

@@ -221,6 +221,7 @@ class TestDir < Test::Unit::TestCase
 
   def test_entries
     assert_entries(Dir.open(@root) {|dir| dir.entries})
+    assert_entries(Dir.entries(@root).to_a)
   end
 
   def test_foreach