src/sys/pkg/bin/pkg-cache/meta/pkg-cache-bin-test.cml

{
    program: {
        binary: "bin/pkg_cache_bin_test",
    },
    capabilities: [
        { protocol: "fuchsia.test.Suite" },
    ],
    use: [
        { runner: "rust_test_runner" },
        {
            storage: "temp",
            path: "/tmp",
        },
    ],
    expose: [
        {
            protocol: "fuchsia.test.Suite",
            from: "self",
        },
    ],
}