tests: decrease number of inspected processes
tests: decrease number of inspected processes

should prevent a failure when there's not that many running

Hexadorsimal/openscap,openprivacy/openscap,isimluk/openscap,ybznek/openscap,mpreisler/openscap,isimluk/openscap,Hexadorsimal/openscap,isimluk/openscap,postfix/openscap,postfix/openscap,postfix/openscap,postfix/openscap,jan-cerny/openscap,mpreisler/openscap,jan-cerny/openscap,OpenSCAP/openscap,OpenSCAP/openscap,postfix/openscap,ybznek/openscap,OpenSCAP/openscap,mpreisler/openscap,redhatrises/openscap,openprivacy/openscap,jan-cerny/openscap,Hexadorsimal/openscap,isimluk/openscap,mpreisler/openscap,redhatrises/openscap,openprivacy/openscap,mpreisler/openscap,isimluk/openscap,openprivacy/openscap,redhatrises/openscap,Hexadorsimal/openscap,jan-cerny/openscap,ybznek/openscap,redhatrises/openscap,mpreisler/openscap,postfix/openscap,ybznek/openscap,OpenSCAP/openscap,ybznek/openscap,Hexadorsimal/openscap,jan-cerny/openscap,isimluk/openscap,OpenSCAP/openscap,jan-cerny/openscap,Hexadorsimal/openscap,redhatrises/openscap,OpenSCAP/openscap,openprivacy/openscap,redhatrises/openscap,openprivacy/openscap,ybznek/openscap