diff --git a/src/tests/testSgfParser.py b/src/tests/testSgfParser.py
--- a/src/tests/testSgfParser.py
+++ b/src/tests/testSgfParser.py
@@ -11,8 +11,10 @@ dataDir=os.path.join(os.path.dirname(__f
 
 class TestProperty(TestCase):
 	def testName(self):
-		self.assertEqual(Property.create("[99]",0), (0,None))
-		self.assertEqual(Property.create("99[99]",0), (0,None))
+		with self.assertRaises(AssertionError):
+			Property.create("[99]",0)
+		with self.assertRaises(AssertionError):
+			Property.create("99[99]",0)
 
 		i,prop=Property.create("MN[99]",0)
 		self.assertNotEqual((i,prop), (0,None))