adjust expectations

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9755 5f5364db-9458-4db8-a492-e30667be6df6
adjust expectations

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9756 5f5364db-9458-4db8-a492-e30667be6df6
adjust chrome expectations

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9757 5f5364db-9458-4db8-a492-e30667be6df6
make the test more robust (it is not clear how many mouse move events are triggered by selenium)

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9758 5f5364db-9458-4db8-a492-e30667be6df6