Change path for "Run one test" example in README.rst
Change path for "Run one test" example in README.rst

Changed the reference from tempest.tests.compute... to
tempest.api.compute...

Fixes bug #1201039

Change-Id: I1bf925c47e73ecf6558ddb851b8178bd1f37f6f9

citrix-openstack-build/tempest,Lilywei123/tempest,masayukig/tempest,ntymtsiv/tempest,queria/my-tempest,akash1808/tempest,adkerr/tempest,armando-migliaccio/tempest,zsoltdudas/lis-tempest,manasi24/tempest,armando-migliaccio/tempest,eggmaster/tempest,openstack/tempest,nunogt/tempest,pandeyop/tempest,CiscoSystems/tempest,LIS/lis-tempest,tudorvio/tempest,Mirantis/tempest,danielmellado/tempest,hpcloud-mon/tempest,Tesora/tesora-tempest,nunogt/tempest,vmahuli/tempest,zsoltdudas/lis-tempest,flyingfish007/tempest,vedujoshi/tempest,JioCloud/tempest,afaheem88/tempest_neutron,bigswitch/tempest,bigswitch/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,Lilywei123/tempest,itskewpie/tempest,LIS/lis-tempest,sebrandon1/tempest,Mirantis/tempest,neerja28/Tempest,itskewpie/tempest,tonyli71/tempest,CiscoSystems/tempest,pczerkas/tempest,roopali8/tempest,dkalashnik/tempest,queria/my-tempest,Vaidyanath/tempest,jaspreetw/tempest,tudorvio/tempest,alinbalutoiu/tempest,jamielennox/tempest,rzarzynski/tempest,Juraci/tempest,citrix-openstack/build-tempest,alinbalutoiu/tempest,redhat-cip/tempest,BeenzSyed/tempest,yamt/tempest,rakeshmi/tempest,masayukig/tempest,cisco-openstack/tempest,xbezdick/tempest,izadorozhna/tempest,citrix-openstack-build/tempest,sebrandon1/tempest,cloudbase/lis-tempest,JioCloud/tempest,roopali8/tempest,akash1808/tempest,vedujoshi/os_tempest,ebagdasa/tempest,varunarya10/tempest,izadorozhna/tempest,hayderimran7/tempest,Juraci/tempest,hpcloud-mon/tempest,afaheem88/tempest,tonyli71/tempest,openstack/tempest,adkerr/tempest,afaheem88/tempest,pandeyop/tempest,vmahuli/tempest,eggmaster/tempest,manasi24/jiocloud-tempest-qatempest,cloudbase/lis-tempest,hayderimran7/tempest,Juniper/tempest,FujitsuEnablingSoftwareTechnologyGmbH/tempest,flyingfish007/tempest,redhat-cip/tempest,cisco-openstack/tempest,ntymtsiv/tempest,rzarzynski/tempest,rakeshmi/tempest,pczerkas/tempest,manasi24/jiocloud-tempest-qatempest,varunarya10/tempest,Tesora/tesora-tempest,BeenzSyed/tempest,ebagdasa/tempest,danielmellado/tempest,jamielennox/tempest,Vaidyanath/tempest,NexusIS/tempest,vedujoshi/tempest,afaheem88/tempest_neutron,neerja28/Tempest,Juniper/tempest,xbezdick/tempest,citrix-openstack/build-tempest,yamt/tempest,dkalashnik/tempest,vedujoshi/os_tempest,NexusIS/tempest,jaspreetw/tempest,manasi24/tempest