Tests do not need to be PHP or Perl scripts.
The URL must just match the filename...

Test configuration (from conf.xml file):

HTTP Error Code	500
CatchAll Parm Pass	1
Undefined URL Action	Reject
Undefined Parm Action	Reject
Illegal Parm Action	Reject

test.html	OK
test.html	OK
test.html	Error (Bad Parm)
test.html?price=	Error (bad value)
test.html?price=10	OK
test.html?price=ab	Error (type checking)
test.html?price=10ab	Error (bad value)
test.html?price=-100	Error (minvalue)
test.html?price=999999	Error (maxvalue)
test.html?price=99&currency=Euros	OK
test.html?price=99&currency=Yen	Error (enum type)
test.html?dummy=any	Error (Unknown Parm)
test-pass.html?dummy=any	Error (Unknown Parm)