[pitivi] tests: Use Python3 for all

[Thibault Saunier <tsaunier src gnome org>]

commit bd03a7bb51d90aaeb8898736abfe5e533c23a078
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Wed May 20 04:52:00 2015 +0200

    tests: Use Python3 for all

 tests/__init__.py                      |    2 +-
 tests/test_utils.py                    |    2 +-
 tests/validate-tests/pitivivalidate.py |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/tests/__init__.py b/tests/__init__.py
index 55c3337..7ec5f82 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 
 from . import runtests
 runtests.setup()
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 618ec19..95dbd42 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 # Pitivi video editor
 #
 #       test_utils.py
diff --git a/tests/validate-tests/pitivivalidate.py b/tests/validate-tests/pitivivalidate.py
index 5ffb5c6..9c75919 100644
--- a/tests/validate-tests/pitivivalidate.py
+++ b/tests/validate-tests/pitivivalidate.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 #
 # Copyright (c) 2013,Thibault Saunier <thibault saunier collabora com>
 #