update test code

Author: AtsushiSakai

tests/test_n_joint_arm_to_point_control.py

@@ -1,9 +1,9 @@
 from unittest import TestCase
 
-from ArmNavigation.n_joint_arm_to_point_control import n_joint_arm_to_point_control as m
 import sys
 sys.path.append("./ArmNavigation/n_joint_arm_to_point_control/")
 
+from ArmNavigation.n_joint_arm_to_point_control import n_joint_arm_to_point_control as m
 print(__file__)