As mentioned in https://github.com/vector-im/element-web/issues/16020#issuecomment-774384598, we're depending on the `dotAll` / `s` regex feature. This adds a test so browsers without this see an error screen.
As mentioned in https://github.com/vector-im/element-web/issues/16020#issuecomment-774384598, we're depending on the `dotAll` / `s` regex feature. This adds a test so browsers without this see an error screen.