use Test::More tests => 1;
use lib 't';
SKIP: {
skip 'XXX - fix later', 1;
eval <<'...';
package Foo;
use base 'Filter4';
...
like $@, qr/\QClass::Spiffy must be loaded before calling 'use base'/,
"Caught attempt to use 'base' on Class::Spiffy module before loading Class::Spiffy";
}