Add more tests for the Greek table.
Add more tests for the Greek table.

IndexBraille/liblouis,vsmontalvao/liblouis,vsmontalvao/liblouis,BueVest/liblouis,hammera/liblouis,hammera/liblouis,BueVest/liblouis,IndexBraille/liblouis,liblouis/liblouis,IndexBraille/liblouis,liblouis/liblouis,BueVest/liblouis,vsmontalvao/liblouis,hammera/liblouis,hammera/liblouis,hammera/liblouis,BueVest/liblouis,BueVest/liblouis,BueVest/liblouis,IndexBraille/liblouis,vsmontalvao/liblouis,liblouis/liblouis,IndexBraille/liblouis,liblouis/liblouis,liblouis/liblouis,vsmontalvao/liblouis,hammera/liblouis,liblouis/liblouis