Add atom names in test of XYZ writter
Add atom names in test of XYZ writter

chemfiles/chemfiles,Luthaf/Chemharp,lscalfi/chemfiles,chemfiles/chemfiles,chemfiles/chemfiles,lscalfi/chemfiles,Luthaf/Chemharp,lscalfi/chemfiles,lscalfi/chemfiles,Luthaf/Chemharp,chemfiles/chemfiles