bin/fidl_compatibility_test/meta/fidl_compatibility_test_topaz.cmx

{
    "program": {
        "args": [
            "fuchsia-pkg://fuchsia.com/fidl_dart_write_xunion_compatibility_test_server#meta/fidl_dart_write_xunion_compatibility_test_server.cmx"
        ],
        "binary": "test/fidl_compatibility_test_topaz"
    },
    "sandbox": {
        "services": [
            "fuchsia.sys.Launcher"
        ]
    }
}