Merge pull request #3798 from matrix-org/dbkr/dont_fail_if_logs_empty

Don't fail if logs exists and is an empty dir

scripts/ci/end-to-end-tests.sh

@@ -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/