Fix typo in filter test

jeffffc · jeffffc · commit b6ba66ba8e44 · 2017-06-03T02:05:26.000+08:00
diff --git a/tests/test_filters.py b/tests/test_filters.py
@@ -128,7 +128,7 @@ def test_filters_invoice(self):
         self.message.invoice = 'test'
         self.assertTrue(Filters.invoice(self.message))
         self.message.invoice = None
-        self.assertFalse(Filters.imvoice(self.message))
+        self.assertFalse(Filters.invoice(self.message))
 
     def test_filters_status_update(self):
         self.assertFalse(Filters.status_update(self.message))
