[fix] Fix path on test script

tests/frontend/travis/sauce_tunnel.sh

@@ -2,7 +2,7 @@
 # download and unzip the sauce connector
 curl https://saucelabs.com/downloads/sc-latest-linux.tar.gz > /tmp/sauce.tar.gz
 tar zxf /tmp/sauce.tar.gz --directory /tmp
-mv sc-*-linux sauce_connect
+mv /tmp/sc-*-linux /tmp/sauce_connect
 
 # start the sauce connector in background and make sure it doesn't output the secret key
 (/tmp/sauce_connect/bin/sc --user $SAUCE_USERNAME --key $SAUCE_ACCESS_KEY --pidfile /tmp/sauce.pid --readyfile /tmp/tunnel > /dev/null )&