Laravel Testing Base64 Image Upload

Base64 image save function test 

public function test_save_product_image()
{
    config(['filesystems.default' => 'test']);

    Storage::fake('test');
    $image = UploadedFile::fake()->image('image.png');
    $imageBase64 = base64_encode(file_get_contents($image->path()));
    // Image save function
    $path = Base64Image::save($imageBase64);
    Storage::disk('test')->assertExists($path);
}