
OpenStack, with one exception, uses testr to run its tests. That means that the expected outcome of run_tox.sh is that there is no nose_results.html - however we emit a warning about it being missing on every run. For folks less familiar with our systems trying to debug test failures, it's a line that could confuse them. Change-Id: I60f6b1f1e49bb8b001d5e9743273830188b150f1