Tests: functions for shd statedump, child_up_status

Change-Id: Ifed91d25b7c62e79019ece336e1065fa35beddb0
BUG: 861015
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4400
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>