Add js dependency on closure and include it.
Include axs_testing instead of iterating through dependencies.

[Finishes #52661783]
Fix failures in Firefox around incompatible js.

replaces innerText with textContent
[#52671347]
Replace webkit specific js.

mozMatchesSelector works in both Chrome and Firefox.
[Finishes #52671347]
Merge branch '52661783_test_suite_config'
Add fallback for webkit specific js.

[#52671347]
Include matchSelector method in generated js.

This fixes the Chrome test suite regression introduced by 8680be768a

[Finishes #52671347]