repairing sumo and traci tests after rebuilding test networks, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15794 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
removing test which is numerically unstable refs #82

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15795 29f149b2-0c63-11e1-8f5c-a347f6a9acd0