unittest: Add assertFalse to TestCase

Author: nvbn

unittest/unittest.py

@@ -35,6 +35,9 @@ def assertRaises(self, exc, func, *args, **kwargs):
                 return
             raise
 
+    def assertFalse(self, x, msg=''):
+        assert not x, msg
+
 
 def skip(msg):
     def _decor(fun):