Always run build cleaner
@ -40,6 +40,8 @@ cd `dirname $0`/../..
mako_renderer=tools/buildgen/mako_renderer.py
gen_build_json=test/core/end2end/gen_build_json.py
tools/buildgen/build-cleaner.py build.json
end2end_test_build=`mktemp /tmp/genXXXXXX`
$gen_build_json > $end2end_test_build