LU-7846 tests: test for nodemap fileset in sanity-sec

LU-7846 tests: test for nodemap fileset in sanity-sec

Add new tests in sanity-sec.sh to test for fileset in nodemap.

Test-Parameters: testlist=sanity-sec
Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Change-Id: I7903d0282d15df84e1f48028d3f44094cac20e98
Reviewed-on: http://review.whamcloud.com/19895
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Kit Westneat <kit.westneat@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>