Add จักร-กก test case

Author: bact

tests/test_khavee.py

@@ -19,6 +19,7 @@ def test_check_marttra(self):
         self.assertEqual(kv.check_marttra("สาว"), "เกอว")
         self.assertEqual(kv.check_marttra("บก"), "กก")
         self.assertEqual(kv.check_marttra("โรค"), "กก")
+        self.assertEqual(kv.check_marttra("จักร"), "กก")
         self.assertEqual(kv.check_marttra("จด"), "กด")
         self.assertEqual(kv.check_marttra("ตรวจ"), "กด")
         self.assertEqual(kv.check_marttra("คน"), "กน")