Use specific asserts in int tests #64745

assignee = 'https://github.com/serhiy-storchaka'
closed_at = <Date 2014-02-08.13:38:09.200>
created_at = <Date 2014-02-07.20:25:43.977>
labels = ['easy', 'type-feature', 'tests']
title = 'Use specific asserts in int tests'
updated_at = <Date 2014-02-08.13:38:09.198>
user = 'https://github.com/serhiy-storchaka'

activity = <Date 2014-02-08.13:38:09.198>
actor = 'serhiy.storchaka'
assignee = 'serhiy.storchaka'
closed = True
closed_date = <Date 2014-02-08.13:38:09.200>
closer = 'serhiy.storchaka'
components = ['Tests']
creation = <Date 2014-02-07.20:25:43.977>
creator = 'serhiy.storchaka'
dependencies = []
files = ['33971']
hgrepos = []
issue_num = 20546
keywords = ['patch', 'easy']
message_count = 4.0
messages = ['210543', '210596', '210626', '210637']
nosy_count = 3.0
nosy_names = ['mark.dickinson', 'python-dev', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue20546'
versions = ['Python 2.7', 'Python 3.3', 'Python 3.4']