Switch to stestr
We don't really have unit tests in the repository and any py3x venv
would not really be useful (the tests are executed through tempest),
but let's remove the old dependency anyway and depend on stestr
like all the other OpenStack projects.
Change-Id: I52d06f1c1e141cb455fb7a823a27be532afb4c16
diff --git a/.gitignore b/.gitignore
index 963e589..3c71a79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,7 @@
!.coveragerc
.tox
nosetests.xml
-.testrepository
+.stestr
.venv
# Translations