fixing sumo meta tests after xml validation, refs #21, #920

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15425 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
second try on sumo meta tests, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15426 29f149b2-0c63-11e1-8f5c-a347f6a9acd0