Update test 031 to cater for nfs4 and quota metrics.
Update test 031 to cater for nfs4 and quota metrics.

wuliming/pcp,ryandoyle/pcp_original,tjanez/pcp,prasincs/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,adfernandes/pcp,aeg-aeg/pcpfans,ryandoyle/pcp_original,aeg-aeg/pcpfans,mbaldessari/pcp,aeg-aeg/pcpfans,edwardt/pcp,aeg-aeg/pcpfans,prasincs/pcp,tjanez/pcp,ryandoyle/pcp_original,mbaldessari/pcp,aeg-aeg/pcpfans,adfernandes/pcp,adfernandes/pcp,tjanez/pcp,aeg-aeg/pcpfans,tjanez/pcp,andyvand/cygpcpfans,adfernandes/pcp,adfernandes/pcp,wuliming/pcp,edwardt/pcp,andyvand/cygpcpfans,mbaldessari/pcp,mbaldessari/pcp,wuliming/pcp,prasincs/pcp,andyvand/cygpcpfans,edwardt/pcp,aeg-aeg/pcpfans,adfernandes/pcp,wuliming/pcp,edwardt/pcp,edwardt/pcp,ryandoyle/pcp_original,ryandoyle/pcp_original,mbaldessari/pcp,edwardt/pcp,edwardt/pcp,edwardt/pcp,andyvand/cygpcpfans,ryandoyle/pcp_original,ryandoyle/pcp_original,andyvand/cygpcpfans,tjanez/pcp,prasincs/pcp,tjanez/pcp,adfernandes/pcp,ryandoyle/pcp_original,prasincs/pcp,wuliming/pcp,andyvand/cygpcpfans,prasincs/pcp,tjanez/pcp,wuliming/pcp,adfernandes/pcp,mbaldessari/pcp,prasincs/pcp,andyvand/cygpcpfans,tjanez/pcp,wuliming/pcp,wuliming/pcp,prasincs/pcp