Enhances test urls with prefixes.
array $urls: The list of urls.
array A list of provider data with prefixes.
protected function dataEnhanceWithPrefix(array $urls) {
$prefixes = array(
'',
'/',
);
$data = array();
foreach ($prefixes as $prefix) {
foreach ($urls as $url) {
$data[] = array(
$url,
$prefix,
);
}
}
return $data;
}