Remove unnecessary space in help
Remove unnecessary space in help

TrivialFix

Change-Id: Iaeec893c12a999c64c76b0561a401ec65f354520

Juniper/tempest,openstack/tempest,cisco-openstack/tempest,sebrandon1/tempest,vedujoshi/tempest,sebrandon1/tempest,bigswitch/tempest,openstack/tempest,Juniper/tempest,vedujoshi/tempest,Tesora/tesora-tempest,bigswitch/tempest,cisco-openstack/tempest,masayukig/tempest,masayukig/tempest,Tesora/tesora-tempest