public function migrate($path = null)
{
$paths = is_array($path) ? $path : [$path];
foreach ($paths as $path) {
$code = $this->artisan('migrate', ['--realpath' => $path]);
$this->assertEquals(0, $code, sprintf('Something went wrong when migrating %s.', str_replace(realpath($this->srcPath('..')), '', realpath($path))));
}
}