Tests: Blacklist one effects test in Chrome 31

Chrome 31 reports incorrect offsetWidth on a table cell with fixed width.
This is fixed in Chrome 32 so let’s just skip the failing test in Chrome 31.
See https://code.google.com/p/chromium/issues/detail?id=290399

(cherry-picked from c11becbb692f7707443eb2582543dfe96e8319e6)