test: allow tests to pass without internet

PR-URL: #21909
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Lance Ball <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Richard Lau <[email protected]>

Author: helio-frota