Move unittest of Japanese phonemizer.

tests/tts_tests/test_japanese_phonemizer.py

@@ -0,0 +1,22 @@
+import unittest
+from TTS.tts.utils.text.japanese.phonemizer import japanese_text_to_phonemes
+
+_TEST_CASES = '''
+どちらに行きますか？/dochiraniikimasuka?
+今日は温泉に、行きます。/kyo:waoNseNni,ikimasu.
+「A」から「Z」までです。/AkaraZmadedesu.
+そうですね！/so:desune!
+クジラは哺乳類です。/kujirawahonyu:ruidesu.
+ヴィディオを見ます。/bidioomimasu.
+ky o: w a o N s e N n i , i k i m a s u ./kyo:waoNseNni,ikimasu.
+'''
+
+class TestText(unittest.TestCase):
+
+    def test_japanese_text_to_phonemes(self):
+        for line in _TEST_CASES.strip().split('\n'):
+            text, phone = line.split('/')
+            self.assertEqual(japanese_text_to_phonemes(text), phone)
+
+if __name__ == '__main__':
+    unittest.main()