Unreviewed EFL gardening.

Rebaseline several test cases for EFL port.

* platform/efl-wk2/http/tests/inspector/console-resource-errors-expected.txt:
* platform/efl/fast/backgrounds/background-position-parsing-expected.png:
* platform/efl/fast/backgrounds/background-position-parsing-expected.txt:
* platform/wk2/loader/go-back-cached-main-resource-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148830 268f45cc-cd09-0410-ab3c-d52691b4dbfc