message: move_instrument_for_probing_prep() uses instrument.move_to() public method
diff: @@ -163,12 +163,13 @@ def update_instrument_config(instrument, measured_center) -> (Point, float):
  def move_instrument_for_probing_prep(instrument, robot):
  # TODO(artyom, ben 20171026): calculate from robot dimensions
  - robot.poses = instrument._move(
  - robot.poses,
  - x=191.5,
  - y=75.0,
  - z=128
  - )
  + # robot.poses = instrument._move(
  + # robot.poses,
  + # x=191.5,
  + # y=75.0,
  + # z=128
  + # )
  + instrument.move_to(robot.deck['5'].top(150))
  def jog_instrument(instrument, axis, robot, distance):
  