Disable CheckFileStoragePathNotWritable test
Disable CheckFileStoragePathNotWritable test

..because it fails when runs as root.

Signed-off-by: Dimitris Aragiorgis <4514117c4a99256e19437c7e3407c4ecbf98aec0@grnet.gr>

apyrgio/snf-ganeti,apyrgio/snf-ganeti