Get junitxml uploaded as an artifact as well

.circleci/config.yml

@@ -96,7 +96,7 @@ jobs:
             /tmp/project/.circleci/run-tests.sh "${TAHOE_LAFS_TOX_ENVIRONMENT}" "${TAHOE_LAFS_TOX_ARGS}"
 
       - store_test_results: &STORE_TEST_RESULTS
-          path: "/tmp/junit"
+          path: "/tmp/artifacts/junit"
 
       - store_artifacts: &STORE_TEST_LOG
           # Despite passing --workdir /tmp to tox above, it still runs trial

.circleci/run-tests.sh

@@ -39,5 +39,5 @@ for environ in argv[1].split(","):
 # Create a junitxml results area.  Put these results in a subdirectory of the
 # ultimate location because CircleCI extracts some label information from the
 # subdirectory name.
-mkdir -p /tmp/junit/unittests
-/tmp/tests/bin/subunit2junitxml < /tmp/results.subunit2 > /tmp/junit/unittests/results.xml
+mkdir -p /tmp/artifacts/junit/unittests
+/tmp/tests/bin/subunit2junitxml < /tmp/results.subunit2 > /tmp/artifacts/junit/unittests/results.xml