EMC SMI-S delete snapshot unit test takes too long
EMC SMI-S delete snapshot unit test takes too long

EMC SMI-S unit test for deleting snapshot takes too long.
This patch sets Timout to 0 in cinder_emc_config.xml
so that it will return immediately.  Without this fix,
it will wait for 10 seconds by default.

Change-Id: I223f6741a2ce393e555467350201a695ae210152
Closes-Bug: #1289653

sasukeh/cinder,redhat-openstack/cinder,eharney/cinder,github-borat/cinder,tlakshman26/cinder-https-changes,Hybrid-Cloud/cinder,mahak/cinder,takeshineshiro/cinder,NeCTAR-RC/cinder,rakeshmi/cinder,alex8866/cinder,winndows/cinder,duhzecca/cinder,Datera/cinder,Akrog/cinder,nikesh-mahalka/cinder,saeki-masaki/cinder,cloudbase/cinder,tlakshman26/cinder-https-changes,cloudbase/cinder,phenoxim/cinder,nexusriot/cinder,ge0rgi/cinder,nikesh-mahalka/cinder,tlakshman26/cinder-new-branch,abusse/cinder,manojhirway/ExistingImagesOnNFS,hguemar/cinder,winndows/cinder,openstack/cinder,NetApp/cinder,Accelerite/cinder,spring-week-topos/cinder-week,Paul-Ezell/cinder-1,rakeshmi/cinder,tlakshman26/cinder-new-branch,openstack/cinder,Nexenta/cinder,saeki-masaki/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,alex8866/cinder,duhzecca/cinder,apporc/cinder,dims/cinder,scottdangelo/RemoveVolumeMangerLocks,petrutlucian94/cinder,CloudServer/cinder,github-borat/cinder,j-griffith/cinder,leilihh/cinder,CloudServer/cinder,Thingee/cinder,Thingee/cinder,leilihh/cinder,bswartz/cinder,Hybrid-Cloud/cinder,scottdangelo/RemoveVolumeMangerLocks,blueboxgroup/cinder,apporc/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,bswartz/cinder,Nexenta/cinder,takeshineshiro/cinder,sasukeh/cinder,Akrog/cinder,JioCloud/cinder,julianwang/cinder,JioCloud/cinder,NeCTAR-RC/cinder,julianwang/cinder,phenoxim/cinder,potsmaster/cinder,redhat-openstack/cinder,dims/cinder,Thingee/cinder,scality/cinder,blueboxgroup/cinder,Accelerite/cinder,petrutlucian94/cinder,hguemar/cinder,manojhirway/ExistingImagesOnNFS,potsmaster/cinder,j-griffith/cinder,nexusriot/cinder,Datera/cinder,scality/cinder,Paul-Ezell/cinder-1,mahak/cinder,abusse/cinder,spring-week-topos/cinder-week,eharney/cinder,NetApp/cinder