function skipPhantom200 (test, nb) {
    return test.skipIfEngine(nb, {
        name: 'phantomjs',
        version: {
            min: '2.0.0',
            max: '2.0.0'
        },
        message: 'form regression 12506'
    });
}
Known regression in 2.0.0, will be fixed in 2.0.1
https://github.com/ariya/phantomjs/issues/12506