Move regress-2286.js where it belongs

Review URL: https://codereview.chromium.org/10957013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

diff --git a/test/mjsunit/regress-2286.js b/test/mjsunit/regress/regress-2286.js
similarity index 100%
rename from test/mjsunit/regress-2286.js
rename to test/mjsunit/regress/regress-2286.js