[TrivialFix] Replace 'assertFalse(a in b)' with 'assertNotIn(a, b)'

Change-Id: I11e5f2db80249f5ff8275da97458e9455319ddfe

1 files changed, 2 insertions, 2 deletions

diff --git a/oslo_rootwrap/tests/test_rootwrap.py b/oslo_rootwrap/tests/test_rootwrap.py
index d023d5f..200c4f0 100644
--- a/oslo_rootwrap/tests/test_rootwrap.py
+++ b/oslo_rootwrap/tests/test_rootwrap.py
@@ -156,7 +156,7 @@ class RootwrapTestCase(testtools.TestCase):
         # check that environment variables are set
         self.assertEqual('/some/thing', env.get('A'))
         self.assertEqual('somethingelse', env.get('B'))
-        self.assertFalse('sleep' in env.keys())
+        self.assertNotIn('sleep', env.keys())
 
     def test_EnvFilter_without_leading_env(self):
         envset = ['A=/some/thing', 'B=somethingelse']
@@ -175,7 +175,7 @@ class RootwrapTestCase(testtools.TestCase):
         # check that environment variables are set
         self.assertEqual('/some/thing', env.get('A'))
         self.assertEqual('somethingelse', env.get('B'))
-        self.assertFalse('sleep' in env.keys())
+        self.assertNotIn('sleep', env.keys())
 
     def test_KillFilter(self):
         if not os.path.exists("/proc/%d" % os.getpid()):