Add assertNotEmpty to tests and use it.

Extract the use of assertTrue(len(...)) into a method. The docs for
assertTrue say that it equates to bool(expr) is True and so the format
is correct however it reads inconsistently.

Change-Id: I75acf75f6eaac9b7f92fd452cc60ab0cfd447c7f

1 files changed, 3 insertions, 0 deletions

diff --git a/keystone/test.py b/keystone/test.py
index f47c253c..497a59bc 100644
--- a/keystone/test.py
+++ b/keystone/test.py
@@ -341,6 +341,9 @@ class TestCase(NoModule, unittest.TestCase):
         """
         self.assertAlmostEqual(a, b, delta=datetime.timedelta(seconds=delta))
 
+    def assertNotEmpty(self, l):
+        self.assertTrue(len(l))
+
     def assertDictContainsSubset(self, dict1, dict2):
         if len(dict1) < len(dict2):
             (subset, fullset) = dict1, dict2