Executing the script inside the directories as './test.sh' is not
supposed to work but could happen accidentally. With an exit after
attempting to source the we can fix that.
Signed-off-by: David Sterba <dsterba@suse.com>
To properly check the 64bit timestamp conversion, the filesystem must
support it. Check that a freshly created filesystem contains the
feature.
Signed-off-by: David Sterba <dsterba@suse.com>