In our Mirador version, [VideoViewer component](https://gitlab.tetras-libre.fr/iiif/mirador-video-annotation/-/blob/annotation-on-video/__tests__/src/components/VideoViewer.test.js) can't use the same information format than in original mirador, so we had to rewrite the tests to use [parseManifest](https://iiif-commons.github.io/manifesto/classes/_utils_.utils.html#parsemanifest) to give the manifest content to the component. In the same way, we need to parse annotations data and add a test for captions/annotations on video