Allow creation of multiple public bodies in one test.
Allow creation of multiple public bodies in one test.

Add some sequences to make sure that we don't get validation errors on
unique fields.

obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli,datauy/alaveteli,Br3nda/alaveteli,4bic/alaveteli,Br3nda/alaveteli,4bic/alaveteli,4bic/alaveteli,datauy/alaveteli,obshtestvo/alaveteli-bulgaria,obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli_old,andreicristianpetcu/alaveteli_old,petterreinholdtsen/alaveteli,obshtestvo/alaveteli-bulgaria,codeforcroatia/alaveteli,andreicristianpetcu/alaveteli,4bic/alaveteli,TEDICpy/QueremoSaber,Br3nda/alaveteli,andreicristianpetcu/alaveteli_old,andreicristianpetcu/alaveteli_old,codeforcroatia/alaveteli,TEDICpy/QueremoSaber,Br3nda/alaveteli,datauy/alaveteli,nzherald/alaveteli,10layer/alaveteli,nzherald/alaveteli,nzherald/alaveteli,petterreinholdtsen/alaveteli,TEDICpy/QueremoSaber,nzherald/alaveteli,andreicristianpetcu/alaveteli,codeforcroatia/alaveteli,4bic/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli,Br3nda/alaveteli,obshtestvo/alaveteli-bulgaria,andreicristianpetcu/alaveteli_old,petterreinholdtsen/alaveteli,10layer/alaveteli,nzherald/alaveteli,10layer/alaveteli,TEDICpy/QueremoSaber,petterreinholdtsen/alaveteli,petterreinholdtsen/alaveteli,andreicristianpetcu/alaveteli,codeforcroatia/alaveteli