test/unit.rb: use uniq!

* lib/test/unit.rb (Test::Unit::Runner#_run_parallel): use
  Array#uniq!.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36389 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 6 deletions

diff --git a/lib/test/unit.rb b/lib/test/unit.rb
index fbeceb9e54..e8afbbcaa2 100644
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@@ -632,12 +632,7 @@ module Test
           end
           unless @warnings.empty?
             warn ""
-            ary = []
-            @warnings.reject! do |w|
-              r = ary.include?(w[1].message)
-              ary << w[1].message
-              r
-            end
+            @warnings.uniq! {|w| w[1].message}
             @warnings.each do |w|
               warn "#{w[0]}: #{w[1].message} (#{w[1].class})"
             end