restricting Quickcheck_Examples' root file to one basic theory to see if the system error on isatest still occurs
Unsynchronized.setmp quick_and_dirty true
use_thys ["Common_Patterns"];
use_thys ["QuoDataType", "QuoNestedDataType", "Term", "SList",
"ABexp", "Tree", "Ordinals", "Sigma_Algebra", "Comb", "PropLog", "Com"];