libcgroup Test: add warnings
libcgroup Test: add warnings

Hi,
This patch adds some warnings in case some testcses fail.
When we modify a group with nullcgroup then there is no need to
check if values are changed.

Signed-off-by: Sudhir Kumar <skumar@linux.vnet.ibm.com>

git-svn-id: 312abad21b46f471ee9c8bf93af65050a03353f9@253 4f4bb910-9a46-0410-90c8-c897d4f1cd53

rafalmiel/libcg,jrfastab/Linux-cgdcbxd,rafalmiel/libcg,rafalmiel/libcg,jrfastab/Linux-cgdcbxd,jrfastab/Linux-cgdcbxd,rafalmiel/libcg,jrfastab/Linux-cgdcbxd