correct test for IE8

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8588 5f5364db-9458-4db8-a492-e30667be6df6
add expectations for ie10 (frank danek)
retest with IE8 and adapt some exptectations (frank danek)
fix for document mode regarding the updated tests

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8589 5f5364db-9458-4db8-a492-e30667be6df6