Add test for thai_word_braille with 'เรียน'

Author: wannaphong

tests/test_text.py

@@ -8,6 +8,7 @@ def test_thai_word_braille(self):
         self.assertEqual(thai_word_braille("ลิ้น"), '⠇⠃⠲⠝')
         self.assertEqual(thai_word_braille("ว่าง"), '⠺⠔⠡⠻')
         self.assertEqual(thai_word_braille("แก้ม"), '⠣⠛⠲⠍')
+        self.assertEqual(thai_word_braille("เรียน"), '⠗⠷⠝')
 
     def test_thai_text_braille(self):
         self.assertEqual(thai_text_braille("แมวกิน   ปลา"), ['⠣⠍⠺', '⠛⠃⠝', '   ', '⠯⠇⠡'])