lib/test/unit.rb: not overwrite options itself

* lib/test/unit.rb (Test::Unit::Runner#_prepare_run): not overwrite
  options itself.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35729 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/test/unit.rb b/lib/test/unit.rb
index a5997f9b08..c80564c3c5 100644
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@@ -686,7 +686,7 @@ module Test
           @output = StatusLineOutput.new(self)
         end
         if /\A\/(.*)\/\z/ =~ (filter = options[:filter])
-          options[:filter] = filter = Regexp.new($1)
+          filter = Regexp.new($1)
         end
         type = "#{type}_methods"
         total = if filter