test_lzma: Multiple test failures when liblzma is built without complete codec set

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2018-10-03.10:32:44.087>
labels = ['3.8', 'type-feature', 'tests']
title = 'test_lzma: Multiple test failures when liblzma is built without complete codec set'
updated_at = <Date 2018-10-04.06:36:59.663>
user = 'https://github.com/mgorny'

bugs.python.org fields:

activity = <Date 2018-10-04.06:36:59.663>
actor = 'xtreak'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2018-10-03.10:32:44.087>
creator = 'mgorny'
dependencies = []
files = ['47845']
hgrepos = []
issue_num = 34883
keywords = []
message_count = 1.0
messages = ['326960']
nosy_count = 2.0
nosy_names = ['mgorny', 'xtreak']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue34883'
versions = ['Python 3.8']