[pitivi] tests: Port to standard unittest.mock

[Thibault Saunier <tsaunier src gnome org>]

commit 4bea6124f51af0b2bf0c090f358f9fb80d7b357d
Author: Thibault Saunier <tsaunier gnome org>
Date:   Thu Nov 19 17:37:28 2015 +0100

    tests: Port to standard unittest.mock

 tests/runtests.py               |    7 -------
 tests/test_mainwindow.py        |    3 +--
 tests/test_timeline_timeline.py |    3 +--
 tests/test_utils_timeline.py    |    3 +--
 4 files changed, 3 insertions(+), 13 deletions(-)
---
diff --git a/tests/runtests.py b/tests/runtests.py
index e0bf04a..a50f93b 100644
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -63,13 +63,6 @@ def setup():
     from pitivi.utils import loggable as log
     log.init('PITIVI_DEBUG')
 
-    try:
-        import mock
-    except ImportError:
-        print("\n\nPython mock library missing! www.voidspace.org.uk/python/mock\n\n", file=sys.stderr)
-        raise
-
-
 if __name__ == "__main__":
     setup()
 
diff --git a/tests/test_mainwindow.py b/tests/test_mainwindow.py
index 724e82b..8f54599 100644
--- a/tests/test_mainwindow.py
+++ b/tests/test_mainwindow.py
@@ -17,8 +17,7 @@
 # Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 # Boston, MA 02110-1301, USA.
 
-import mock
-from unittest import TestCase
+from unittest import TestCase, mock
 
 from gi.repository import GES
 
diff --git a/tests/test_timeline_timeline.py b/tests/test_timeline_timeline.py
index b31d8b7..aac5834 100644
--- a/tests/test_timeline_timeline.py
+++ b/tests/test_timeline_timeline.py
@@ -17,8 +17,7 @@
 # Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 # Boston, MA 02110-1301, USA.
 
-import mock
-from unittest import TestCase
+from unittest import TestCase, mock
 
 from gi.repository import Gdk
 
diff --git a/tests/test_utils_timeline.py b/tests/test_utils_timeline.py
index 94fd29a..b82e699 100644
--- a/tests/test_utils_timeline.py
+++ b/tests/test_utils_timeline.py
@@ -17,8 +17,7 @@
 # Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 # Boston, MA 02110-1301, USA.
 
-import mock
-from unittest import TestCase
+from unittest import TestCase, mock
 
 from gi.repository import GES