Gulp with PHPUnit simplest config file

gulpfile.js

var gulp = require('gulp'),
    exec = require('child_process').exec,
    sys = require('sys'),
    util = require('util');

gulp.task('phpunit', function() {
    exec('clear', function(error, stdout, stderr){
        util.puts(stdout);
        exec('phpunit', function(error, stdout) {
            sys.puts(stdout);
        });
    });
});

gulp.task('watch', function() {
    gulp.watch('./**/*.php', ['phpunit']);
});

gulp.task('default', ['phpunit', 'watch'])