support test skipping

test/samples/export-from-no-local-binding/_config.js

@@ -3,9 +3,11 @@ var assert = require( 'assert' );
 module.exports = {
 	description: 'export from does not create a local binding',
 
-	error: function () {
+	error: function ( err ) {
 		assert.ok( false, 'TODO: assertion is skipped because it is not used... we need to implement something like /*rollup: include */')
-	}
+	},
+
+	skip: true
 };
 
 // test copied from https://github.com/esnext/es6-module-transpiler/tree/master/test/examples/export-from

test/test.js

@@ -39,7 +39,7 @@ describe( 'rollup', function () {
 			config = { description: dir };
 		}
 
-		( config.solo ? it.only : it )( dir, function () {
+		( config.skip ? it.skip : config.solo ? it.only : it )( dir, function () {
 			return rollup.rollup( SAMPLES + '/' + dir + '/main.js', extend( {}, config.options ) )
 				.then( function ( bundle ) {
 					var unintendedError;