def METHOD_NAME(self):
    open_joints_target = self.hand_commander.get_joints_position()
    for key in open_joints_target:
        open_joints_target[key] = 0.0
    self.hand_commander.move_to_joint_value_target(open_joints_target, wait=True)
    rospy.sleep(5)
    final_joint_values = self.hand_commander.get_current_state()
    expected_and_final_joint_value_diff = self.joints_error_check(open_joints_target, final_joint_values)
    self.assertAlmostEqual(expected_and_final_joint_value_diff, 0, delta=0.1)