tests/test-revlog-raw.py.out

hghave: detect newer pylint

Older versions (e.g. 2.7.2) say: "Usage: pylint [options]"

Newer versions (e.g. 2.15.5) say: "usage: pylint [options]"

local test passed
addgroupcopy test passed
clone test passed
lowlevelcopy test passed
slicing test passed
issnapshot test passed
findsnapshot test passed