[webkitpy] In case of multiple bug rollout, all bugs should be reopened, not only the oldest one
https://bugs.webkit.org/show_bug.cgi?id=131363

Patch by Eva Balazsfalvi <evab.u-szeged@partner.samsung.com> on 2014-05-16
Reviewed by Csaba Osztrogonác.

* Scripts/webkitpy/common/checkout/checkout_mock.py:
* Scripts/webkitpy/common/net/bugzilla/bugzilla_mock.py:
(MockBugzilla):
* Scripts/webkitpy/tool/commands/download_unittest.py:
(test_create_rollout_multiple_revision_with_one_resolved):
(test_create_rollout_multiple_resolved):
(test_rollout_two_revisions):
(test_rollout_multiple_revisions):
(test_rollout_multiple_revisions_with_a_missing_bug_id):
* Scripts/webkitpy/tool/steps/createbug.py:
(CreateBug.run):
* Scripts/webkitpy/tool/steps/reopenbugafterrollout.py:
(ReopenBugAfterRollout.run):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@168968 268f45cc-cd09-0410-ab3c-d52691b4dbfc