test_disk_stats: tolerate used==0 for a Travis worker bug
authorBrian Warner <warner@lothar.com>
Fri, 12 Sep 2014 19:55:52 +0000 (12:55 -0700)
committerBrian Warner <warner@lothar.com>
Fri, 12 Sep 2014 19:55:52 +0000 (12:55 -0700)
commit38668c9e35a9f27123f05d3726e12263248996e6
treea1a667746c696313511f913bd2a2c9305d68dac3
parent3a75a75f95798455aaf935fccd909727069eb45b
test_disk_stats: tolerate used==0 for a Travis worker bug

Some Travis-CI workers report persistently empty disks, causing spurious
test failures. It's not really that important to assert used>0, so this
relaxes the test.

Closes ticket:2290
src/allmydata/test/test_util.py