Changes

Bump largest tolerable log size to 200M
Master logs from a recent extended test run with many failures sized in 
at 168M, so it seems like we need to bump the largest log size that we 
tolerate so we're not truncating valuable test output.
Signed-off-by: Steve Kuznetsov <skuznets@redhat.com>
 (commit: 5a6693b)