[pitivi/1.0] tests: Remove mock cleaning logic

[Alexandru Băluț <alexbalut src gnome org>]

commit b5e8ffd4853a051346b54d15ff3cc1d6a5a23894
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sun Feb 11 01:31:59 2018 +0100

    tests: Remove mock cleaning logic
    
    It does not make sense to clean a mock, and it seems to have no impact
    currently.
    
    Also removed an unused function.

 tests/common.py             |    5 -----
 tests/test_media_library.py |    8 +-------
 2 files changed, 1 insertions(+), 12 deletions(-)
---
diff --git a/tests/common.py b/tests/common.py
index 2fc401e..3b2a3a9 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -47,11 +47,6 @@ detect_leaks = os.environ.get("PITIVI_TEST_DETECT_LEAKS", "0") not in ("0", "")
 os.environ["PITIVI_USER_CACHE_DIR"] = tempfile.mkdtemp(suffix="pitiviTestsuite")
 
 
-def clean_pitivi_mock(app):
-    app.settings = None
-    app.proxy_manager = None
-
-
 def __create_settings(proxyingStrategy=ProxyingStrategy.NOTHING,
                       numTranscodingJobs=4,
                       **additional_settings):
diff --git a/tests/test_media_library.py b/tests/test_media_library.py
index 6664869..f0864f4 100644
--- a/tests/test_media_library.py
+++ b/tests/test_media_library.py
@@ -31,10 +31,6 @@ from pitivi.utils.proxy import ProxyingStrategy
 from tests import common
 
 
-def fakeSwitchProxies(asset):
-    timeline.TimelineContainer.switchProxies(mock.MagicMock(), asset)
-
-
 class BaseTestMediaLibrary(common.TestCase):
 
     def __init__(self, *args):
@@ -49,9 +45,7 @@ class BaseTestMediaLibrary(common.TestCase):
 
     def clean(self):
         self.mainloop = None
-
-        if self.app:
-            self.app = common.clean_pitivi_mock(self.app)
+        self.app = None
 
         if self.medialibrary:
             self.medialibrary.finalize()