Make test fail as with issue #1001
Make test fail as with issue #1001

This requires us to clear the I18n.fallbacks when changing the
I18n.default_locale, otherwise the old default locale remains there.

Br3nda/alaveteli,4bic/alaveteli,petterreinholdtsen/alaveteli,nzherald/alaveteli,obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli_old,4bic/alaveteli,obshtestvo/alaveteli-bulgaria,Br3nda/alaveteli,nzherald/alaveteli,Br3nda/alaveteli,TEDICpy/QueremoSaber,codeforcroatia/alaveteli,codeforcroatia/alaveteli,codeforcroatia/alaveteli,TEDICpy/QueremoSaber,datauy/alaveteli,andreicristianpetcu/alaveteli_old,petterreinholdtsen/alaveteli,codeforcroatia/alaveteli,andreicristianpetcu/alaveteli,Br3nda/alaveteli,nzherald/alaveteli,andreicristianpetcu/alaveteli_old,4bic/alaveteli,nzherald/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli,TEDICpy/QueremoSaber,datauy/alaveteli,petterreinholdtsen/alaveteli,Br3nda/alaveteli,andreicristianpetcu/alaveteli_old,nzherald/alaveteli,obshtestvo/alaveteli-bulgaria,obshtestvo/alaveteli-bulgaria,petterreinholdtsen/alaveteli,4bic/alaveteli,datauy/alaveteli,petterreinholdtsen/alaveteli,obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli,4bic/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli_old,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli