Make test specific to versions of ruby with String.encode
Make test specific to versions of ruby with String.encode

The code being tested is specific in that way.

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