Add test for processing queries with non-ASCII in their responses

This is fixed in pycares.

Author: saghul

tests.py

@@ -139,6 +139,11 @@ def test_gethostbyname_bad_family(self):
         with self.assertRaises(aiodns.error.DNSError):
             self.loop.run_until_complete(f)
 
+    def test_query_bad_chars(self):
+        f = self.resolver.query('xn--cardeosapeluqueros-r0b.com', 'MX')
+        result = self.loop.run_until_complete(f)
+        self.assertTrue(result)
+
 
 if __name__ == '__main__':
     unittest.main(verbosity=2)