message: Don't fail if logs exists and is an empty dir
diff: @@ -36,7 +36,8 @@ echo "--- Install synapse & other dependencies"
  ./install.sh
  # install static webserver to server symlinked local copy of riot
  ./riot/install-webserver.sh
  -mkdir logs || rm -r logs/*
  +rm -r logs || true
  +mkdir logs
  echo "+++ Running end-to-end tests"
  TESTS_STARTED=1
  ./run.sh --no-sandbox --log-directory logs/
  