tests: Use python3 for most of it, python2 for cv2

builder/test/tests.py

@@ -29,4 +29,4 @@ import rpi_ws281x
 import pigpio
 from espeak import espeak
 
-print cv2.getBuildInformation()
+print(cv2.getBuildInformation())

builder/test/tests_py2.py

@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+
+# Make sure our Python 2 software is installed
+
+import cv2
+
+print(cv2.getBuildInformation())

builder/test/tests_py3.py

@@ -1,7 +0,0 @@
-#!/usr/bin/env python3
-
-# Make sure our Python 3 software is installed
-
-import cv2
-
-print(cv2.getBuildInformation())