undefined window object

[ktandun]

When running gleam test with target=javascript it throws window undefined error

    Running frontend_test.main
file:///Users/kenzietandun/dev/traveller/frontend/build/dev/javascript/modem/modem.ffi.mjs:12
const initial_location = window?.location?.href;
                         ^

ReferenceError: window is not defined
    at file:///Users/kenzietandun/dev/traveller/frontend/build/dev/javascript/modem/modem.ffi.mjs:12:26
    at ModuleJob.run (node:internal/modules/esm/module_job:234:25)
    at async ModuleLoader.import (node:internal/modules/esm/loader:473:24)
    at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:123:5)