Translate beta samples fix [(#2327)](GoogleCloudPlatform/python-docs-samples#2327)

* fixing translate-with-glossary bug

* tests passing

* reverting to python3 compatibility

* snippets test fix

Author: crowdus

samples/snippets/beta_snippets_test.py

@@ -63,7 +63,7 @@ def unique_glossary_id():
 def test_translate_text(capsys):
     beta_snippets.translate_text(PROJECT_ID, 'Hello world')
     out, _ = capsys.readouterr()
-    assert 'Zdravo svet' in out
+    assert 'Zdravo svet' in out or 'Pozdrav svijetu' in out
 
 
 def test_batch_translate_text(capsys, bucket):

samples/snippets/snippets_test.py

@@ -46,4 +46,4 @@ def test_translate_utf8(capsys):
     text = u'나는 파인애플을 좋아한다.'
     snippets.translate_text('en', text)
     out, _ = capsys.readouterr()
-    assert u'I like pineapples.' in out
+    assert u'I like pineapple' in out