test (cache/search): fix NewTestServer(...) storage #13880

Job	Run time
set-product-version	6s
generate-metadata-file	25s
product-metadata	43s
verify-product-metadata	5s
Go 1.23.0 linux arm build	6m 15s
Go 1.23.0 linux arm64 build	7m 3s
Go 1.23.0 darwin amd64 build	6m 26s
Go 1.23.0 linux 386 build	6m 16s
Go 1.23.0 freebsd 386 build	6m 15s
Go 1.23.0 darwin arm64 build	6m 11s
Go 1.23.0 linux amd64 build	7m 7s
Go 1.23.0 freebsd amd64 build	6m 38s
Go 1.23.0 freebsd arm build	6m 13s
Go 1.23.0 windows 386 build	5m 53s
Go 1.23.0 windows amd64 build	6m 11s
Go 1.23.0 netbsd 386 build	5m 52s
Go 1.23.0 netbsd amd64 build	6m 22s
Go 1.23.0 netbsd arm build	5m 58s
Go 1.23.0 openbsd 386 build	5m 45s
Go 1.23.0 openbsd amd64 build	6m 1s
Go 1.23.0 openbsd arm build	5m 46s
Go 1.23.0 solaris amd64 build	6m 8s
Docker arm build	54s
Docker arm64 build	49s
Docker 386 build	49s
Docker amd64 build	56s
bats / CLI tests	13m 34s
Enos / setup	43s
Enos / Integration (e2e_aws builder:crt)	17m 12s
Enos / Integration (e2e_database)	5m 24s
Enos / Integration (e2e_docker_base builder:crt)	19m 46s
Enos / Integration (e2e_docker_base_plus builder:crt)	8m 17s
Enos / Integration (e2e_docker_base_with_vault builder:crt)	5m 9s
Enos / Integration (e2e_docker_base_with_worker builder:crt)	4m 3s
Enos / Integration (e2e_docker_worker_registration_controller_led builder:crt)	3m 50s
Enos / Integration (e2e_docker_worker_registration_worker_led builder:crt)	4m 1s
	3h 19m 6s

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