Switch to using stestr

According to Openstack summit session [1] stestr is
maintained project to which all Openstack projects should migrate.

Let's switch it then.

[1] https://etherpad.openstack.org/p/YVR-python-pti

Change-Id: Idf2f91565f9205c745a7110be5bf81267bd3caf5
Signed-off-by: Chuck Short <chucks@redhat.com>

.gitignore

@@ -53,6 +53,7 @@ ChangeLog
 !/.mailmap
 !/.pylintrc
 !/.testr.conf
+!/.stestr.conf
 
 contrib/vagrant/.vagrant
 

.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=${OS_TEST_PATH:-./kuryr_kubernetes/tests/}
+top_dir=./

lower-constraints.txt

@@ -119,7 +119,7 @@ SQLAlchemy==1.2.5
 sqlalchemy-migrate==0.11.0
 sqlparse==0.2.4
 statsd==3.2.2
-stestr==2.0.0
+stestr==1.0.0
 stevedore==1.20.0
 Tempita==0.5.2
 tenacity==4.9.0

test-requirements.txt

@@ -9,7 +9,7 @@ ddt>=1.0.1 # MIT
 docutils>=0.11 # OSI-Approved Open Source, Public Domain
 mock>=2.0.0 # BSD
 python-subunit>=1.0.0 # Apache-2.0/BSD
-os-testr>=1.0.0 # Apache-2.0
+stestr>=1.0.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD

tox.ini

@@ -14,7 +14,7 @@ whitelist_externals = sh
                       rm
 commands = find {toxinidir} -type f -name "*.py[c|o]" -delete
            rm -f .testrepository/times.dbm
-           ostestr '{posargs}'
+           stestr run '{posargs}'
 
 [testenv:fullstack]
 basepython = python2.7