pm/pm_test: fix 'unused variable'
pm/pm_test: fix 'unused variable'

Signed-off-by: Oleg Lyovin <9e7fd33cf90c7e429276114f54b1f8488150523e@partner.samsung.com>

kimusan/TizenRT,kimusan/TizenRT,kimusan/TizenRT,kimusan/TizenRT,kimusan/TizenRT,kimusan/TizenRT