Build in some leeway to app duration tests
Build in some leeway to app duration tests

On GH actions sometimes the timeout can be invoked slightly too soon,
e.g. after 24ms instead of 25

bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js,bugsnag/bugsnag-js