Gate fix: verify .testrepository exists before changing permissions

Heavily based on [1] (update for stestr).

[1] https://review.openstack.org/#/c/503118

Change-Id: I48dfbb2987bfb8b7f69526c59ac9cab711566608

.stestr.conf

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

.testr.conf

@@ -1,4 +0,0 @@
-[DEFAULT]
-test_command=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./dragonflow/tests/unit} $LISTOPT $IDOPTION | cat
-test_id_option=--load-list $IDFILE
-test_list_option=--list

dragonflow/tests/contrib/post_test_hook.sh

@@ -23,9 +23,9 @@ function generate_test_logs {
 function generate_testr_results {
     # Give job user rights to access tox logs
     sudo -H -u "$owner" chmod o+rw .
-    sudo -H -u "$owner" chmod o+rw -R .testrepository
-    if [[ -f ".testrepository/0" ]] ; then
-        ".tox/$venv/bin/subunit-1to2" < .testrepository/0 > ./testrepository.subunit
+    sudo -H -u "$owner" chmod o+rw -R .stestr
+    if [[ -f ".stestr/0" ]] ; then
+        ".tox/$venv/bin/subunit-1to2" < .stestr/0 > ./testrepository.subunit
         $SCRIPTS_DIR/subunit2html ./testrepository.subunit testr_results.html
         gzip -9 ./testrepository.subunit
         gzip -9 ./testr_results.html

test-requirements.txt

@@ -13,7 +13,6 @@ sphinx>=1.6.2 # BSD
 openstackdocstheme>=1.16.0 # Apache-2.0
 os-testr>=0.8.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
-testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=0.2.4 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT