autocomplete test with "autocompletes without www." fails intermittently

[bbondy]

Test plan

npm run test -- --grep='autocompletes without www.'

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I think it is because of a real problem of clearing the typing in the urlbar sometimes that users complain about.

[luixxiul]

I assume this has been fixed, adding the labels and milestone in case for confirmation

browser-laptop/test/navbar-components/urlBarTest.js

Line 260 in da41b7e

it('autocompletes without www.', function * () {

[bbondy]

This is probably working in 0.15.3xx marking as closed.