tests/test_aptsources.py: Fix regression in d95a8f2

Commit d95a8f27774842beb43bda54c4c61b67fe76a032 introduced a regression
in this test that did not catch an invalid False value for the trusted
property of a source without trusted set.

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/test_aptsources.py b/tests/test_aptsources.py
index e6d0bd82..f955205f 100644
--- a/tests/test_aptsources.py
+++ b/tests/test_aptsources.py
@@ -156,7 +156,7 @@ class TestAptSources(unittest.TestCase):
         assert sources.list[8].dist == "natty"
         assert sources.list[8].comps == ["main"]
         assert sources.list[8].line.strip() == str(sources.list[8])
-        assert not sources.list[8].trusted
+        assert sources.list[8].trusted is None
 
     def testMultipleOptions(self):
         """aptsources: Test multi-arch parsing"""