Added validation of template names in scenario tests
Added validation of template names in scenario tests

Sahara checks name of cluster, node group templates, cluster templates.
If we run tests with incorrect names, tests failing. We need check test
names in templates of scenario tests

Change-Id: Ic5bcadbfde9af2f0b9d4a1628951b311abf2c96f

tellesnobrega/sahara,crobby/sahara,esikachev/sahara-backup,egafford/sahara,zhangjunli177/sahara,crobby/sahara,zhangjunli177/sahara,tellesnobrega/sahara,egafford/sahara,esikachev/sahara-backup,ekasitk/sahara,ekasitk/sahara,esikachev/sahara-backup,ekasitk/sahara,openstack/sahara,zhangjunli177/sahara,openstack/sahara,crobby/sahara