$file = $this->files->imageFromBase64File('bad-phtml.base64', $fileName);
$upload = $this->withHeader('Content-Type', 'image/jpeg')->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $file], []);
$file = $this->files->imageFromBase64File('bad-phtml.base64', $fileName);
$upload = $this->withHeader('Content-Type', 'image/jpeg')->call('POST', '/images/gallery', ['uploaded_to' => $page->id], [], ['file' => $file], []);