src/sys/component_manager_for_test/meta/test_manager_envelope.cml

// We need this cml so that we can transform paths from appmgr's namespace like
//  "/pkgfs/packages/config-data/0/data" to "/config/data" and present them to test_manager.
{
    children: [
        {
            name: "test_manager",
            url: "fuchsia-pkg://fuchsia.com/test_manager#meta/test_manager.cm",
            startup: "eager",
        },
    ],
    offer: [
        // Offer the ELF runner to test_manager.
        {
            runner: "elf",
            from: "realm",
            to: [ "#test_manager" ],
        },
        {
            protocol: [
                "/svc/fuchsia.logger.LogSink",
                "/svc/fuchsia.process.Launcher",
            ],
            from: "realm",
            to: [ "#test_manager" ],
        },

        // Some components run under test need access to /config/data.
        {
            directory: "/pkgfs/packages/config-data/0/data",
            from: "realm",
            as: "/config/data",
            to: [ "#test_manager" ],
        },

        // Some tests access dev/class. We should provide those till we can mock it.
        {
            directory: "/dev/class/input-report",
            from: "realm",
            to: [ "#test_manager" ],
            rights: [ "r*" ],
        },
    ],
    expose: [
        {
            protocol: "/svc/fuchsia.test.manager.Harness",
            from: "#test_manager",
        },
    ],
}