Add tests that check the 'id' attributes.
Add tests that check the 'id' attributes.

Change-Id: I487ec7c658fd5a3a8bae03800e23b37cc44066f4

leandromoreira/edash-packager,leandromoreira/edash-packager,nevil/edash-packager,leandromoreira/edash-packager,leandromoreira/edash-packager,nevil/edash-packager,nevil/edash-packager,leandromoreira/edash-packager