For each time-based media that has a synchronised caption or audio description track, are the control features for these alternatives presented at the same level as the main features?

Tests

1. 4.14.1

   For each time-based media that has a captions or audio description track, do the control features for these alternatives respect these conditions?

   For each time-based media player, the feature that enables captions to be activated and deactivated is presented at the same level as the main features.
   For each time-based media player, the feature that enables and disables audio description is presented at the same level as the main features.