This commit removes .testr.conf since this repo already has
.stestr.conf. We just need .stestr.conf instead of .testr.conf.
Change-Id: Ifb722ab5e744b645d85f6adf3ed471694c115e07
Following commits migrates running
monasca-notification tests from nosetest
to ostestr, similar to other openstack projects.
Additionally, it enables calculating coverage
and py35 tests.
Extra:
* added debug environment with oslo_debug_helper
Change-Id: I555176b7f2ed54c3222312da341d433f429c5c6a