Roll version of gsutil to 4.15.

third_party/gsutil/third_party/boto/tests/mturk/common.py

 import unittest
 import uuid
 import datetime
 
 from boto.mturk.question import (
         Question, QuestionContent, AnswerSpecification, FreeTextAnswer,
 )
 from _init_environment import SetHostMTurkConnection, config_environment
 
 class MTurkCommon(unittest.TestCase):
@@ skipping 25 matching lines @@
                         reward=0.23,
                         duration=datetime.timedelta(minutes=6),
                         approval_delay=60*60,
                         annotation='An annotation from boto create_hit test',
                         response_groups=['Minimal',
                                 'HITDetail',
                                 'HITQuestion',
                                 'HITAssignmentSummary',],
                         )