Fix tests that occurs unicode error in python 2.x

tests/test_client.py

@@ -21,12 +21,13 @@ def test_translate_list(translator):
 
 
 def test_detect_language(translator):
-    ko = translator.detect('한국어')
+    ko = translator.detect(u'한국어')
     en = translator.detect('English')
 
     assert ko.lang == 'ko'
     assert en.lang == 'en'
 
+
 def test_detect_list(translator):
     items = [u'한국어', ' English']
 

tests/test_gtoken.py

@@ -25,7 +25,12 @@ def test_acquire_token_ascii_less_than_2048(acquirer):
 
 
 def test_acquire_token_ascii_matches_special_condition(acquirer):
-    text = chr(55296) + chr(56320)
+    def unichar(i):
+        try:
+            return unichr(i)
+        except NameError:
+            return chr(i)
+    text = unichar(55296) + unichar(56320)
 
     result = acquirer.do(text)