update test

Author: vvolkl

.github/workflows/macos.yml

@@ -20,7 +20,8 @@ jobs:
       run: |
        echo "### Dump default.local ###"
        cat /etc/cvmfs/default.local
+       sleep 5
        echo "### Try to ls on /Users/Shared/cvmfs/sft.cern.ch/ ###"
-       ls /Users/Shared/cvmfs/sft.cern.ch/
+       ls /Users/Shared/cvmfs/sft.cern.ch/ | grep lcg
        echo "### Try to ls on /cvmfs/sft.cern.ch/ ###"
-       ls /cvmfs/sft.cern.ch/
+       ls /cvmfs/sft.cern.ch/ | grep lcg