Allow django liveserver to use larger port range

jenkins/test.sh

@@ -34,6 +34,9 @@ fi
 
 export PIP_DOWNLOAD_CACHE=/mnt/pip-cache
 
+# Allow django liveserver tests to use a range of ports
+export DJANGO_LIVE_TEST_SERVER_ADDRESS=${DJANGO_LIVE_TEST_SERVER_ADDRESS-localhost:8000-9000}
+
 source /mnt/virtualenvs/"$JOB_NAME"/bin/activate
 pip install -q -r pre-requirements.txt
 yes w | pip install -q -r requirements.txt