builder: Re-enable loading cv2 in tests

builder/image-software.sh

@@ -150,7 +150,7 @@ EOF
 echo_stamp "Attempting to kill dirmngr"
 gpgconf --kill dirmngr
 # dirmngr is only used by apt-key, so we can safely kill it.
-# We ignore killall's exit value as well.
-killall -w -9 dirmngr || true
+# We ignore pkill's exit value as well.
+pkill -9 -f dirmngr || true
 
 echo_stamp "End of software installation"

builder/test/tests.py

@@ -5,8 +5,8 @@
 import rospy
 from geometry_msgs.msg import PoseStamped
 
-#import cv2  # TODO - fix "NEON - NOT AVAILABLE" error
-#import cv2.aruco
+import cv2  # TODO - fix "NEON - NOT AVAILABLE" error
+import cv2.aruco
 
 import numpy
 import mavros
@@ -25,3 +25,6 @@ import pymavlink
 from pymavlink import mavutil
 import rpi_ws281x
 import pigpio
+
+print cv2.getBuildInformation()
+