Make service_keys_test work in Go 1.6
Make service_keys_test work in Go 1.6

fujitsu-cf/cli,hyenaspots/cli,hyenaspots/cli,mcintyred/cli,fujitsu-cf/cli,markstgodard/cli,markstgodard/cli,fujitsu-cf/cli,mcintyred/cli,mcintyred/cli,simonleung8/cli,simonleung8/cli,hyenaspots/cli,mcintyred/cli,markstgodard/cli,hyenaspots/cli,simonleung8/cli,markstgodard/cli