- replaced the ugly macro with real methods the base class using the template method pattern.  as a result srv_unittest.h is not needed anymore and removed.
 - avoided the use of an unnamed namespace in srv_test.h (another bad practice anyway)
 - avoided the use of 'using namespace' in srv_test.h (yet another bad practice anyway)


git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac448@4012 e5f2f494-b856-4b98-b285-d166d9295462