improve tests
diff --git a/test/test.py b/test/test.py
index 25a34c3..0cd46b4 100644
--- a/test/test.py
+++ b/test/test.py
@@ -202,6 +202,8 @@
         self.s = serial.serial_for_url(PORT, do_not_open=True)
 
     def tearDown(self):
+        #~ self.s.write(serial.XON)
+        self.s.flushInput()
         self.s.close()
 
     def test_WriteTimeout(self):