broke help tests out into subsubtests

broke help tests out into subsubtests

Signed-off-by: James Molet <jmolet@redhat.com>

added documentation for dockerhelp

Signed-off-by: James Molet <jmolet@redhat.com>

fixing subsubtests generation for help

Signed-off-by: James Molet <jmolet@redhat.com>