Make non-breaking spaces that are in there more explicit

sacremoses/test/test_normalizer.py

@@ -73,6 +73,6 @@ def test_normalization_pipeline(self):
 
     def test_moses_normalize_with_perl_parity(self):
         moses_perl_parity = MosesPunctNormalizer(perl_parity=True)
-        text = 'from the ‘bad bank’, Northern, wala « dox ci jawwu Les « wagonways » étaient construits'
+        text = 'from the ‘bad bank’, Northern, wala\u00A0«\u00A0dox ci jawwu Les «\u00A0wagonways\u00A0»\u00A0étaient construits'
         expected = '''from the 'bad bank," Northern, wala "dox ci jawwu Les "wagonways" étaient construits'''
         assert moses_perl_parity.normalize(text) == expected