message: shortening world test
diff: @@ -170,7 +170,7 @@ class WorldTests(unittest.TestCase):
  "execution in real-time or faster", 100]
  # Draw map
  - for _ in range(0, 100):
  + for _ in range(0, 10):
  viewer.clear()
  world.Step(sim_step_time)
  viewer.drawWorld(world)
  