Force mocha to exit after tests run

services/web/bin/acceptance_test

@@ -1,4 +1,4 @@
 #!/bin/bash
 set -e;
-MOCHA="node_modules/.bin/mocha --recursive --reporter spec --timeout 15000"
+MOCHA="node_modules/.bin/mocha --exit --recursive --reporter spec --timeout 15000"
 $MOCHA "$@"