Reduced sleep to 5 seconds because ctaeos-mgm.sh already waits for /fst to go online

continuousintegration/docker/ctafrontend/cc7/opt/run/bin/ctaeos-mgm.sh

@@ -194,8 +194,7 @@ fi
 
 # test EOS
 # eos slow behind us and we need to give it time to be ready
-# 5 secs is not enough
-  sleep 20
+  sleep 5
   eos -b node ls
   xrdcp /etc/group root://${eoshost}:/${EOS_TMP_DIR}/testFile