added failing test refs #1217

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16002 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
added test for high flow

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16003 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
added more tests for high flow, added another edge to the motorway network

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16004 29f149b2-0c63-11e1-8f5c-a347f6a9acd0