Add missing test to cgroup_read_stats_end
Add missing test to cgroup_read_stats_end

This patch adds the missing test to cgroup_read_stats_end
Sorry for the misstake.
Fixed the test - it should return the error


Signed-off-by: Ivana Hutarova Varekova <2e3918a0a366ea7e658a2062ab582c898a7e1b1b@redhat.com>
Signed-off-by: Balbir Singh <65a1aed538f36fed73d8c45e9ddfc585ce9f4abf@linux.vnet.ibm.com>

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