---some.t---
use Test::More tests => 2;
use Error ':try';

use_ok('MyModule');

try {
   MyModule->foo('badparam');
} catch with MyModule::Exception {
    pass;
} otherwise {
    fail;
}

##</code><code>##

---some.t---
use Test::More tests => 2;
use Error ':try';

use_ok('MyModule');

try {
   MyModule->foo('badparam');
} catch with MyModule::Exception {
    pass;
} otherwise {
    fail;
}

ok('added this test later in this huge test file');

##</code><code>##

---some.t---
use Test::More tests => 2;
use Error ':try';

use_ok('MyModule');

try {
   MyModule->foo('badparam');

    fail;
} catch with MyModule::Exception {
    pass;
} otherwise {
    fail;
}