Cleanup testrepository and os-testr requirements

We have migrated to stestr for a while, however the related requirements
is not updated, this patch does the cleanup, also updates requirements
for stestr.

Change-Id: I9c8cf2f90ced2261293f91faefc3099740540fe7
Signed-off-by: Zhao Chao <zhaochao1984@gmail.com>

lower-constraints.txt

@@ -74,7 +74,6 @@ openstacksdk==0.12.0
 os-api-ref==1.4.0
 os-client-config==1.29.0
 os-service-types==1.2.0
-os-testr==1.0.0
 osc-lib==1.10.0
 oslo.cache==1.29.0
 oslo.concurrency==3.26.0
@@ -149,12 +148,11 @@ sqlalchemy-migrate==0.11.0
 SQLAlchemy==1.0.10
 sqlparse==0.2.4
 statsd==3.2.2
-stestr==2.0.0
+stestr==1.1.0
 stevedore==1.20.0
 Tempita==0.5.2
 tenacity==4.9.0
 termcolor==1.1.0
-testrepository==0.0.18
 testresources==2.0.1
 testscenarios==0.5.0
 testtools==2.2.0

test-requirements.txt

@@ -18,13 +18,12 @@ proboscis>=1.2.5.3 # Apache-2.0
 python-troveclient>=2.2.0 # Apache-2.0
 mock>=2.0.0 # BSD
 testtools>=2.2.0 # MIT
-testrepository>=0.0.18 # Apache-2.0/BSD
 pymongo!=3.1,>=3.0.2 # Apache-2.0
 redis>=2.10.0 # MIT
 psycopg2>=2.6.2 # LGPL/ZPL
 cassandra-driver!=3.6.0,>=2.1.4 # Apache-2.0
 couchdb>=0.8 # Apache-2.0
-os-testr>=1.0.0 # Apache-2.0
+stestr>=1.1.0 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0
 astroid<1.4.0 # LGPLv2.1 # breaks pylint 1.4.4
 pylint==1.4.5 # GPLv2

tox.ini

@@ -17,7 +17,6 @@ install_command = pip install \
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands = find ./trove -type f -name "*.pyc" -delete
-           rm -f .testrepository/times.dbm
            rm -f trove_test.sqlite
            stestr run --serial '{posargs}'
            stestr slowest