Fix cache examples for audio, video and image (#1459)
* image examples fix
* fix image test
* fix cache examples for audio and video
* fix tests
* fix audio test
* fix restore flagged file
* fix tests
* reformat
* tests fixes
* fix test
* reformat
* format
* fix test
* reformat
* fix image test
* renamed video demo
* removed redundant test that may have been causing rate limiting
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
