update test in freetype to error for nullfont name

Author: ankith26

test/freetype_test.py

@@ -544,8 +544,7 @@ def test_freetype_Font_name(self):
         f = self._TEST_FONTS["fixed"]
         self.assertEqual(f.name, "Inconsolata")
 
-        nf = nullfont()
-        self.assertEqual(nf.name, repr(nf))
+        self.assertRaises(AttributeError, lambda: nullfont().name)
 
     def test_freetype_Font_size(self):
         f = ft.Font(None, size=12)