coverItem example

yield 'Test allowed field with unkown key' => [
            self::payloadCart('foo', ['customFields' => ['bar' => 1]]),
            ['foo' => ['customFields' => []], 'foo-child' => ['customFields' => []]],
            ['unknown_field'],
        ];
    }

    public static function cleanupCoversProvider(): \Generator
    {
        yield 'Test cover thumbnailRo cleanup' => [
            self::coverCart('foo', 'test'),
            self::coverItem('foo', '')->getCover(),
        ];

        yield 'Test cover thumbnailRo cleanup without ro data' => [
            self::coverCart('foo', null),
            self::coverItem('foo', null)->getCover(),
        ];

        yield 'Test cover thumbnailRo cleanup without cover' => [
            self::coverCart('foo', null, true),
            null,
        ];
    }